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M8 Engine Must Have Upgrades / Harley-Davidson / Engine Building

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The M8 engine has been out for 6 years now & during that time a few 'weak spots' have been found when hotting these engines up. These are some of the more 'basic' upgrades that should be considered.
The OIL PUMP has had a bad name since the get go with all the sumping issues that happened. a few revisions of the oil pump have been made along the way & now the 8 lobe oil pump from Harley has solved that issue.
From 2017 up until late 2019 is the troubled range of bikes that may need the pump replaced, especially if you are getting any engine upgrades.
The COMPENSATOR ramp should always be upgraded when any big bore builds are carried out, or if you like to ride 'hard'.
The INNER CAM BEARING is one of those cheap things that should always be swapped out for the full complement option when any camshaft is installed.
LIFTER GUIDES are one of those inexpensive things that can be installed for peace of mind & longevity. The stock OEM plastic units are absolutely fine to run on camshafts with under .500" lift.
LIFTERS. The OEM lifters are cheap & do fail! Replacement/upgrade is paramount when any cam or engine kits are installed.
PISTON OILERS. These guys should be swapped with new ones if your engine has a few Ks on it & you are looking at an engine upgrade.
CLUTCH SPRINGS. The Screamin Eagle 1275nm springs hold up to the task of supporting the 150ft/lbs of torque I regularly get out of many of my engine builds.
CAM PLATE. The OEM Cam support plate is absolutely fine to run with just about any cam out there today. If you want an upgrade I strongly suggest the Screamin' Eagle Pro Billet Cam support plate & Oil pump combo. If you're just after a plate upgrade I recommend the FUELING OE+ cam support plate.
I know I left out the vented transmission cover & dipstick options as I didn't have an example to show on camera. However, it is something I like to fit to big bore builds.
I hope I have helped you understand some of the components & there use within the engine.
If you have any questions, please leave them in the comments.
Thanks for watching!

Опубликовано:

17 авг 2024

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Комментарии : 216

@PotatoeJoe69 11 месяцев назад

I have something important for M8's that recently came onto my radar; something I would have never even thought about and perhaps not even believed, it's significant, it's about pumping and a dirt cheap fix for it, but comes with a short story: I have a 2020 FXST, 107ci. I assumed that I was safe from sumping because of the 2020+ oil pump, and the fact that all the sumping issues appeared too be on touring bikes. Well, I heard about the Sump Plug being too long and blocking off the sump oil pickup hole, and how the plug installed from the factory blocks the pickup. Well, I pulled that plug on my bike, and 10 ounces of oil came out. 10!!! There is supposed to be less than 4 ounces in the sump, and I had 10! My bike was sumping. I replaced the sump plug with a fueling shorty sump plug, and now after 2,000 miles, my sump has less than 1 ounce of oil in it. It's a very, very cheap part, less than $20, and is quality assurance if nothing else. In my case, that tiny screw solved my sumping issues. I wouldn't have believed it if someone else told me, but it worked for my bike.

@philipjanes Год назад

Good advice. Gotta say though that there's a few must have upgrades on these very expensive machines that Harley should just be doing from the factory. I have a 2022 Road Glide Special with just a stage 1. Not into racing or anything but i guess at some point i should just go stage 2 and have all this done. As long as it is reliable. Like taking my bike on long journeys.

@FranBunnyFFXII Год назад

You've never seen an SE Camplate and pump fail? That's pretty awesome. Makes me happier about going with it in my Fat Boy 114 build.

@MasterTechMiller Год назад

It's the best option out there!

@user-ks1lx2un7p Год назад

Through research i did everything you talked about 3 weeks ago on my 2017 SG. including adding a thicker clutch rod to eliminate Trans fluid transfer to the primary. Added a breather line to the trans cover and eliminated oil blow by completely. You are spot on. Great advice .

@anchorsaweigh9893 Год назад

This video is perfect for someone who has background as a Mechanic but not necessarily a Harley Tech. I rely on your expertise and upgrade as appropriate. Cheers from San Diego 🤙🏽

@twowheeledwireman282 Год назад

Great video! Really appreciate your honest professional opinion on all these OE parts.

@MasterTechMiller Год назад

Thanks for watching

@user-fy6wh1xz9y Год назад

Great content Tommy, loving the sound of the cr485 cam in my roadglide st 117 done @ your shop DDHD recently nice lump @ idle vtwin heartbeat.

@MickOTooleroadglide Год назад

Awesome advice & knowledge Tommy, keep up great work & vids mate

@MasterTechMiller Год назад

Thanks for watching

@wooddawg4868 Год назад

I think the best thing you can do with a HD motorcycle is to perform RELIGIOUS OIL CHANGES IN ALL 3 HOLES. That in of itself kills over 75% of issues, same goes for any gas engine.

@illduitmyself 3 месяца назад

Changing oil wont fix poor designs

@noahperius8291 Месяц назад

How often do you do each

@jdflhr 9 месяцев назад

Great advice...I didnt buy into the upgraded cam plate either..upgraded the oil pump to the latest version..30000kms on my 124 in build and all is good!

@MasterTechMiller 9 месяцев назад

🙌🙌

@marathonman0730 Год назад

All great recommendations MTM! Love your channel.

@MasterTechMiller Год назад

Thanks for watching

@user-wg7lr1kn6r День назад

Great advice mate, can't get better than hearing right from the horses mouth. There's a lot of differing opinions out there. There's also techs and techs, clearly you have played around with these things in alot of different combos. Lucky for those HD owners living in DDowns.. Keep the vids coming mate, I might have to drop my 23 Fatboy in on my way up to Sydney and collect it on return lol, might be a plan 👊😎👊

@MasterTechMiller 22 часа назад

Thanks for watching & providing awesome feedback 😀 I'd love help you out & build your perfect combo

@chrisdavisson3206 7 месяцев назад

Thank you so much for your technical assistance and answers to my questions! Knowledge is power and you definitely hit all the possible fail parts.

@user-ux9nt1qd5h Год назад

Tommy did a build for me a month ago I am very happy with the 128 kit it halls ass thanks mate

@michaellarkin3108 Год назад

Great info as always Tommy, told in a succinct manner too.

@frankprettitore6192 Год назад

Thanks for the great info wish i saw this before i sent my bike to have cam installed...

@MasterTechMiller Год назад

Thanks for watching.

@shanehazelton8754 10 месяцев назад

I originally ordered a fueling race oil pump and cam plate However I took your advice and bought the SE pump and plate because the tolerances are way better

@MasterTechMiller 10 месяцев назад

Great choice 👌

@yorichunt Год назад

Geez I wish it wouldn’t be such a mission to get my bike to you from WA

@MasterTechMiller Год назад

Put it on a truck mate 🤔

@yorichunt Год назад

@@MasterTechMiller one day I reckon I will, it’d be worth it

@geraldgoodiii6993 7 месяцев назад

Subbed to your channel M8. I’m here in the states. Anyway …. About to do a 124 on my 107 2023 FLTRX. Gonna do 483 cam. I have a really fkn good builder tuner over at one of the HD dealers by me (could get a killer deal at an Indy shop on this job but I ride so much all year except in snow .. or not on purpose lol .. so I’d rather spend the extra loot and know I got the best man on the job that I know and trust .. anyway .. HD said that I didn’t need to do the ramp. I was a bit taken aback bc I never heard of that not being recommended to change… they had me do the 55mm mani and oil cooler fan and lifter cuffs and lifters etc .. basic support mods but nothing not needed .. so I don’t see them selling unnecessary parts ..When I did stage 2 (did the stupid EPA SE447 and SEPST.. but that tuner was able to make it run amazing despite That SE tuner .. like this dude nailed it. So can’t wait to see what this dude can do with PV. The question I have is did they improve the compensator design in the newer bikes ? Like that oil pump and cam plate in the brand new bikes are great. Even Bryce from Star racing said that latest OEM design is way better than the SS and Fueling options… better scavenge on the OEM design. But yea I’d love your thoughts on that compensator. Thank u

@MasterTechMiller 7 месяцев назад

Thanks for watching & subbing mate. Much appreciated!! The stock compensator ramp is trash! If you are doing a big bore kit, there is NO WAY I wouldn't recommend doing it. Let me know how you go with your PV Tune when you get it done.

@JakobKaizen 11 месяцев назад

What about the oil pump and cam plates on the 22 RG ST for instance? Also wondering when to consider a let say Baker comp sprocket instead of just the compensator ramp? Am doing either a stage 2 with high lift cam or a 132" this winter on the RG ST

@JakobKaizen 11 месяцев назад

Great video btw!

@JCunningham21 Год назад

everything you said was the same as what my Tuner told me when i did my 128 on my 21 FXLRS. My tuner has a drawer of failed S&S cam plates.

@MasterTechMiller Год назад

Thanks for watching

@williamb.9110 Год назад

Great advice. Thanks for sharing!

@MasterTechMiller Год назад

Thanks for watching

@michaelthompson7001 Год назад

you should have mentioned replacing the plastic intake manifold with an S+S or Ward aluminum one, the plastic one needs to go

@MasterTechMiller Год назад

In performance applications it needs to be swapped out but otherwise the OEM one is just fine. I don't deem it to be a must have upgrade for all which is why I left it out Most of the builds I do end up with a bigger 64mm Throttlebody & as a result the manifold is swapped

@NorCal-refrigeration Год назад

Great info! Thanks

@roadglide1142 8 месяцев назад

I just simply bought a 135 ci crate motor which already has all these parts & more !

@illduitmyself 3 месяца назад

When we win the lottery or dad gives us $ we will do that too

@Centralthabiker Год назад

excellent video and a lot of good information so many people take shortcuts when doing upgrades

@MasterTechMiller Год назад

Thanks for watching

@garszy Год назад

Thanks loved the upload. Reassuring 👌 that my build has, like I excepted, all the correct goodies. Would love some advice on M8 air intake upgrades. I have RG ST, 117 with a Zippers 468 cam, Freedom 2 into 1 exhaust, upgrade Screamin Eagle air intake/filter. Loud and lumpy 😂 I’ll be coming up to my first major service 8000ks, and thinking of doing the air intake manifold and possibly the throttle body as well. ?Screamin Eagle 64mm setup or something equivalent. Firstly is this over kill on a stock head bike? What would you recommend? I’m looking at picking up some more HP Thanks in advance

@user-pf1tl9qx3m Год назад

Thanks for this update really appreciated I was so confused with all the hype around different parts that needed replacing you certainly know your stuff. Could I kindly ask you a question about the oil I should be using ina M8 I have a Harley fatboy 2022 only had it for five months still breaking it in 600 km so far have the standard dino oil that came with the bike. I’m thinking of using a synthetic just wondering if the SYN3 oil is what you use in theM8’s alternatively I was looking at Motul as I’ve had very good results with my Yz250 2 stroke and motul gear oil Sorry another oil question I know people hate this but I’m a bit confused as to what to use and would prefer an experienced person like yourself to comment as to what oil you put in the crankshaft primary and motor many thanks

@MasterTechMiller Год назад

The Harley Branded 20W-50 is absolutely fine to use. It's absolutely fine & I happily recommend it. If you want to spend the extra money on the SYN3 oil that's fine too. The FORMULA Plus oil for the Transmission & Primary is also absolutely fine to run.

@user-pf1tl9qx3m Год назад

@@MasterTechMiller thanks very much for your reply 👍

@f.t.w1066 Год назад

Great video..👍👍👍

@seanoconnor8895 Год назад

Would u recommend upgrading the flywheel?… taking the balancer out… wielding it… or changing all together when going 140hp +?

@MasterTechMiller Год назад

In most cases it fine to use the OEM Flywheel. If you intend to give the bike a proper hard time then for sure, I highly recommend either the welded & plugged OEM flywheel or something from the aftermarket (Darkhorse or S&S)

@user-rg3oq3xk8x Год назад

Love your videos. Keep it up! Am considering the S&S 124 kit on my 2018 107 ultra. What are your thoughts on this kit or am I better to stick with the SE 119 stage 3 with the torque cam. I do enjoy the long rides and touring.

@dennoinoz4278 6 месяцев назад

If ur in Australia check out the Alpha Performance Engines kits.

@surfcoastrk8970 10 месяцев назад

Great work as usual very informative. I have a 131 and stock compensator mmmmmmmm

@MasterTechMiller 10 месяцев назад

Get it upgraded asap!

@kyriakoskontopyrgos4844 Год назад

What about replacing rocker arms and rocker stunds?are they essential for big bore kits??

@MasterTechMiller Год назад

No. I haven't found any evidence to support them in builds yet. Very high performance strictly race applications may find them beneficial but definitely overkill for even big bore street engines

@DLV2252 Год назад

Good video thanks 👍🏻

@MasterTechMiller Год назад

Thanks for watching

@jrp87 Год назад

Thanks for the video, i always enjoy seeing your work, i recently bought a 23 street bob and been reading that an external oil catch can / breather kit is worthwhile, what is your view on this?

@MasterTechMiller Год назад

This is a debatable topic but I do not believe it to be an essential modification/upgrade.

@RGHD912 Год назад

Great info Tommy, what about the crank? Should it be replaced, upgraded on the big bore kits? Thanks for always doing very informative videos.

@MasterTechMiller Год назад

All depends on the intended application & budget. It is something I do recommend on high out put applications

@ozoutdorz2584 Год назад

Hey Tommy thanks for a well presented and informative video. You touched on clutch springs so I'd like to know your thoughts on the Rekluse Auto Clutch. Have you fitted these and this would go in a Low Rider S 117 with stage 2.. Thanks again Mark.

@MasterTechMiller Год назад

I have fitted them in the past to both customer & our own demo bikes. I highly rate them & think they are great. I haven't put them to the test drag racing so I can't comment on how they hold up. They are a great thing thing though & something you should be able to install yourself if you are mechanically minded.

@jimfreind3856 Год назад

Great info... thanks for you knowledge and time. I'm a gentle long distance rider . 107 se stage 2 ... 2017 ultra. Items for prevention !! 1... oil pump 2... cam bearing 3... lifters I think that these should be replaced. Also what about oil transfer to primary ? My gear oil goes down very very slightly. Thanks again for your advice..

@MasterTechMiller Год назад

Those 3 you mentioned will definitely prevent any premature problems or failures. There is a vent kit that can be done through the dealership that vents the primary housing to help prevent oil transfer problems.

@jimfreind3856 Год назад

@MasterTechMiller thankyou , I know the kit that you mentioned 👍 I will do those mods and with good prevention servicing... I will be able to ride with confidence... I have 40,000km trouble free so far !!

@user-rf2wr5xv5d 5 месяцев назад

Great work mate

@MasterTechMiller 4 месяца назад

Thanks 👍

@RolfAnderssonLMY Год назад

I have a M8 Streetglide Special I got in Dec 16. Just did a 32000km service. Nothing upgraded and no problems so far. But! Do I dare to go on a 4000km trip this summer 🤨?

@MasterTechMiller Год назад

In stock form they are fine. It's only when stage 1 and 2 mods are done that you should consider the upgrades outlined in the video

@RolfAnderssonLMY Год назад

@@MasterTechMiller Thanks. what a relief :)

@mykol1842 Год назад

Followed your advice Tommy upgraded my 107 to 117 with APE stage 2 kit upgraded oil pump 55mm intake 5.5 injectors CR480 cam lifters i already had V&H powerduals & 450 titans K&N aircleaner produced 130hp 142tq tuned using powervision it was a toss up with which cam to use 480 or 483 went with 480 for the low / mid torque absolute beast , Do you replace piston jet oilers on your builds ? i never hear many people talk about them mine were loose & causing sumping so had new ones installed cheers mate

@MasterTechMiller Год назад

Most of the engines/bikes I build are brand new so I dont replace them on new bikes. If the bike has done any amount of kilometers I replace them.

@RidingwithDRod 8 месяцев назад

great video.. thanks for sharing your thoughts on those upgrades. I am in the process of putting together a parts list for a stage 2 cam upgrade for my 22 Road Glide ST 117. I'm looking at the Star 30/30 cam and was originally going with an S&S oil pump and cam plate. I guess I'm now changing it to the SE version. My parts list include Feuiling lifters, Koyo cam bearing, S&S tappet cuffs and an S&S performance intake manifold to replace the Harley plastic version. (do you have thoughts on any of these items? You also didn't mention the plastic intake manifold. Should I replace that as well? thanks again

@silverrambo1508 10 месяцев назад

Can you sum all must have upgrades ? How much should we spend ? and how many hours of labour to fit all must have upgrades ?

@racerboy4 11 дней назад

I think its crazy...25k for the bike, and then drop another 5k make sure it doesn't break??

@pamelacurtis9540 Год назад

I have a 2017 n worked for Harley 9 yrs. I should replace the oil gear because mine is getting super hot back cylinder and use a lot of fuel. That would be sumping or a tell tell sign connect. Really use a Screaming cam plate . The dealership in Oklahoma n states. Are recommending the S&S so I appreciate. I will be subscribing your channel been fight the tgripsensor n about to change to carb but want to run throttle cable not the electric throttle wires off a 2010 sportster on my 2017 FLTRx I have 15 apes on it But I'm leaning more towards a king of the bagger style bike but am looking at doing a GSX inferted front end off eBay not the ❤2000 dollar Krause . I'm already pissed no drain plugs on front end n what happen to the inspection door on primary cover. I'm planning on the mid controls and if I do the road racing style risers and metal speedo and tach mount. My Harley risers broke at 20,000 and the sold me a used bike that had toasted neck bearings . And the service mngr ate the part n labor which was not cover so now then I told them I want Ed no 2 yrs warranty I would have been working on my own shit have my PhDs w Harley so.their was no voiding it. But after them not having the fork oil change after 20,000 first time I cancelled it n told.them since I can't hold the money for a minute but send it to the payment n this one is my 3 Harley at 46 got first at 23. 69,000 11 months. And didn't realize I could have used it as a write off Does Harley not require us to ride their product. Right thank you fellow motor company brother.

@robertmason8341 Год назад

You might get a reply if you actually took a minute to make your comment/question understandable! Punctuation goes a long way and correct spelling of key words would help a lot, such as you saying connect which I assume was supposed to be “correct” (as in asking the question)! Everyone understands when a typo or autocorrect jacks up something in a quick comment. But when you type out multi paragraph comments/questions then your implying it’s more serious and you’d actually like someone to read it/answer. That’s hard when your writing is all full of errors, lacks punctuation, and rambles along somewhat incoherently. It makes it “sound” like it’s coming from a kid and no one is gonna take that seriously! Not just ragging on you, I was really reading your comment and was gonna reply as I’m just as experienced with Harley’s and been working on motorcycles almost 30years.

@MasterTechMiller Год назад

🙏

@shaneverrall2807 2 месяца назад

Do you need to upgrade the flywheel when going from 114 to 128kit ? Have you seen any of these fail ?

@Kash6161 Год назад

Very informative.. cheers for sharing the knowledge.. With Lifters, how often should they be replaced, i.e in a twincam runnin se266.. ? Runnin procomp atm

@MasterTechMiller Год назад

The SE 266 cams require regular valve train maintenance and inspection as they are a high lift, high duration cam that puts larger stresses on the valve train. Depending of course on riding conditions (daily rider or more aggressive high rpm situations) I would suggest that the lifters be replaced every 20,000km for daily rider applications & around 8000km-10,000km for more aggressive riding styles. Keep in mind you should be able to have a decent understanding of what your engine sounds like & paying attention to it for any abnormal louder or growing noises should indicate cam chest & valve train inspection

@Kash6161 Год назад

@Master Tech Miller too true.. have noticed alot more top end rattle ... normally change them at 30k, but have left them for 35k this time. Yer think it's time for a change.. besides the fact my base gaskets are leaking now hahaha.. I'll be doing fill gasket change, with check of cross hatch in bores( maybe redo with oversize rings).. thinking going solid lifters or fitting limiters to new set of hydraulic.. too much hitting rev limit... whoops lol

@MasterTechMiller Год назад

@@Kash6161 if you regularly see high rpms and touch the lim lim from time to time, I would definitely recommend short travel lifters. Have you got a hi volume oil pump?

@Kash6161 Год назад

@Master Tech Miller no don't have hiflow pump.. have had to have my original replaced.. gears were all scored haha Engine was split and shaved with timkin bearings placed in.. at around 80k km.. now has 140k on the clock.. want hiflow pump th8s time .. upgraded cam plate, rocker lockers, was thinking gear drive cams(maybe to eliminate the need for gear tensioners and timing going squiff lol) . As have had the crank true and welded due to ruining the journals haha new rods were added . Runout at crank ( at cam plate) is 0.0008" New lifters, and possible another set of heads from Ram engineering, as these i have are for up to 107".. ( it's now a 117"). Has AV&V gear, gold valve guilds ect already.. Which is why I don't mind spending extra on it as it has good stuff, just not all the best.. Had the bike 10years and still kranks along.. sort of hahaha

@heikogutsche5916 Год назад

When would you recommend upgrading the stock headbolts with heavy duty reusable headbolts from Screamin Eagle or S&S ? Would it make sense when installing the 131 kit with CR-512 cam only ? Thanks and greetings from Bangkok !

@MasterTechMiller Год назад

No it's not worth it for that kit. Nor is it worth it for most other big bore bolt on kits out there. The only time I would recommend them is on a boosted application or complete racing application where the engine is torn down and rebuilt frequently. To be honest the OEM ones are just fine.

@heikogutsche5916 Год назад

Great information, thanks a lot 👍

@bobstevenon9525 11 месяцев назад

Great video but I do have a few Questions. I put an S&S 475c cam in my 2019 street glide 107 M8 and used the S&S cam plate and oil pump. Do you think I need to worry about it ? The crank only had .002 run out if the is a consideration. Also do you recommend replacing the compensator ring on all M8s or just the built ones ?

@cezaryszwen7505 10 месяцев назад

Big thanks

@RetNavyChiefBTC 12 дней назад

So a bike that goes for >$30,000 out the door needs an immediate engine rebuild? Makes me want to rush out and waste my money on one!

@user-ev8gp9kb7z Год назад

Hey man i have my bike booked in with you next month and i may or may not have to add a compensator ramp to the build. are compensator ramps something you keep on the shelf?

@MasterTechMiller Год назад

Yeah mate. I keep at least 1 on the shelf but almost always have 2

@user-ev8gp9kb7z Год назад

@MasterTechMiller cheers man... legend 🤙

@TheDesmoto 10 месяцев назад

Most buy a new bike to avoid issues but with Harley your buying issue’s. I’ll stick with my panhead, maybe not as smooth or fast but it just won’t quit

@JCunningham21 Год назад

I bet you have seen plenty of snaped off lifter cuff bolts and maybe even some aluminum cuffs that were not installed correctly and rubbing on the lifter.

@MasterTechMiller Год назад

Yes! The early model M8 engines had issues with the front lifter cuffs bolt breaking. They must have been using a bottle of loctite on each bolt at the factory! 😄

@tastorque Год назад

Love your work 😊

@Bass.Player Год назад

Good one...

@matrix1171 3 месяца назад

Ok not that it’s a problem yet but I just found out this can cause some issues too and that is the long ass screws in the piston oilers just below the top of the crankcase coming loose and leaking causing a whole new cooling and oil supply issue . What is your take on that and a fix or has that since been corrected. I also have a 23 street glide special 114 in case you were wondering Thanks

@MasterTechMiller 2 месяца назад

I have NEVER seen this. I have heard of the idea getting tossed around back when the M8 engine first came out & they were having 'sumping' issues. Since late 2019 & on, all Harley's have the 8 lobe oil pump that has solved the sumping issue.

@brandot.7466 4 месяца назад

Thanks for all the great information.. I would like to change my lifters what do you think of S&S lifters? and are you ok with adjustable push rods? M8 114 FLHXS 2021

@MasterTechMiller 4 месяца назад

S&S lifters are absolutely fine to use. I'm a big fan of adjustable pushrods. I prefer Screamin Eagle but S&S make a good product too. Either option is fine

@BADGER80INCHER 10 месяцев назад

How about the Moonshine H-D's Press fit crankshaft cam chain sprocket to eliminate slop in the camchain asm?

@MasterTechMiller 10 месяцев назад

The amount of deflection throughout the valve train is a greater concern than a little 'play' in the drive sprocket.

@johnbeardsley7360 Год назад

thank you

@Baggerdaddy702 3 месяца назад

Do you recommend changing out the intake manifold ? I plan on doing a 124 big bore already got a compensator coming in

@MasterTechMiller 3 месяца назад

For sure! Go for the aluminium 54mm from Screamin Eagle, or S&S

@MightyMick88 5 месяцев назад

Hi I have just purchased a 2023 street glide ST 117 Engines and other than headers, pipes and high flow filter, that has been done, should I be concerned about this so called "upgrade" that my pump will still fail? Your advise would be appreciated. Cheers.

@MasterTechMiller 5 месяцев назад

Pre 2019 bikes need the oil pump upgrade. Your bike is fine & does not need it. It's in there from factory

@ChrisJones-l Год назад

Great summary, which I have all your options and nothing more. Question if you have time, is their any noticeable gains to be had upgrading a stage 3 117’s se498 cam to something else? Has an S&S Superstreet pipe and HD extreme air filter.

@MasterTechMiller Год назад

Absolutely! Remove that SE498 & install the CR485 through www.alphaperformanceengines.com.au That will bring your 117ci to life!

@dapperbrapper Год назад

excellent content

@MasterTechMiller Год назад

Thanks for watching

@heberperez79 4 месяца назад

Tommy, what is the website for us here in US that you mentioned in your video??

@m8_fanatic Год назад

Awesome vid! I spoke to you several weeks ago about a stage 4 117 having a cr485 installed. Love the cam but i think it deserves some more cubes too! Whats your thoughts on the 128 vs 132 kit? I also asked for oil pump to be inspected when the cam went in, their answer was it looked updated as it had a rubber seal? Is this correct info? Im chasing 150/150 and am hoping with tge 485, 64mm tb, cnc ported heads and dnd bobcat i can get there

@MasterTechMiller Год назад

I would go with the 128ci kit over the S&S 132 as the cylinders are stronger in the 128. The rubber seal indicates an updated pump however it doesn't mean its the 8 lobe (like the one in the video). It had the rubber seal but still is a 10 lobe. You should be able to achieve 150/150 with a bump up in compression (around 11.5:1) in the 128ci kit with a good set of heads, exhaust & air filter. A good dyno tuner/operator is essential too.

@parrillo87 3 месяца назад

Hi Tommy… I follow you from Italy… to your experience which of this mods are good for m8 softail. External breather air filter or fueling vented dipstick?

@MasterTechMiller 3 месяца назад

External breather for the air filter. Vented from the Transmission top cover.

@parrillo87 3 месяца назад

@@MasterTechMiller thanks for the reply….and what do you think of vented dipstick oil tank?

@ashebarley77385 Год назад

So do you recommend SE 131 kit or a S&S 128 kit? by watching your videos is your favorite cam for these kits the cr512? or cr540? Enjoy watching all your stuff. thank you so much!!!

@MasterTechMiller Год назад

Out of the 128ci kits I prefer the Alpha Performance Engines 128ci kit. For 131ci kits I prefer the SE kits. I'm not a fan of S&S stuff

@finnsgarageLLC 5 месяцев назад

Is the comp the same on all models Fatboy etc? I know the full assembly is different because they use a wider version.

@MasterTechMiller 4 месяца назад

Yeah mate, the comp ramp is the exact same for ALL M8 models.

@michaelmiller4698 9 месяцев назад

Hey bud love your videos and all you information top notch! 👍🏽 I do have a question for you! I have a 2017 road glide with a 107 m8 that is stage 2 I’m the second owner of this bike I purchased it from Harley a year ago and pulled a report of what was done and it’s got the h-d se torque cam With new bearing and Reinhart header and duals and the intake are all Reinhart the bike has the Screamin eagle pro street tuner my question is, is there a better tuner would it help me more?

@MasterTechMiller 9 месяцев назад

Thanks for watching. Yes there are FAR better tuning devices out there that will yield far better results with your current configuration. Are you in the States or Aus?

@michaelmiller4698 9 месяцев назад

@@MasterTechMiller I’m in the states and currently my road glide is at the Harley dealership for an oil leak and I told them to put in the 1275 springs??? Or should I just go with the Se performance clutch and it comes with the 1200 springs and 10 plates?? As I don’t feel the clutch grabbing the way it use to since I started to power shift through the gears😁 do you think that’s a good decision

@michaelmiller4698 9 месяцев назад

@@MasterTechMiller oh also forgot to tell you that my buddy has a 2022 RG CVO 117ci stage one and I pull away from him like he’s standing still lol so I’m not really sure what the PO done to this bike I would love to know ? I also turn wrench I have a full shop in my garage that I work on all my stuff so any guidance will be appreciated, thanks in advance yours truly Mike mike

@Doctorevil666 6 месяцев назад

Just when I think I'll get a Harley again I see this and think not yet. My 99 Yamaha Roadstar did 160.000 ks before someone totalled it only oil changes.I then got a Kawasaki VN 2000 and sold it with 120.000ks only a belt and front belt wheel and both these bikes where ridden hard I'm 6,3 and 120kgI Originally had a Evo Fatboy but the engine was rubbish needed a 10 grand rebuild just so it could go like the Roadstar hmm when are they going to get it right before I'm to old

@alessandrobecagli1780 Год назад

Which compensator do you recommend for a cvo 110 2016 ??? Thank you 🙏🏼

@MasterTechMiller Год назад

The Screamin Eagle option out of the catalogue is fine for the TwinCams

@alessandrobecagli1780 Год назад

@@MasterTechMiller thank you

@samuelmontgomery3882 Год назад

Doesn’t Feuling make the S.E. Oil pump and cam plate H.D. ???

@ashebarley77385 4 месяца назад

So I had my 131 installed and should they have put in adjustable pushrods? Cause they did not on my build and I put a tman air filter on and oil coming out the back plate which shouldn’t The spark plug on the front header doesn’t look like it’s being firing on the spark plug??? Advice ?

@MasterTechMiller 4 месяца назад

Which cam is installed? Adjustable pushrods are not required on a few different cams. Can you explain the front spark plug issue a little more clearly? What you've written doesn't make sense

@Dabocado 4 месяца назад

That bearing you were talking about, is that the lefty bearing?

@MasterTechMiller 4 месяца назад

No. The inner cam bearing

@Dabocado 4 месяца назад

Thanks for clarifying that for me. My brand new LRS is in the shop getting built with a load of parts. I had ordered the lefty and the fellow was explaining it wasn’t needed to be installed. Not only that, it would be very labour intensive. I panicked because couldn’t remember what the well spoken man on the phone had said. I knew there was a super important bearing that needed to be installed. Anyway, I’m going with the right bearing. Thank you.

@Mike_Oliver55 6 месяцев назад

Good Morning. I’m doing a 128 build on a 2023 SGS with 2500 miles on the bike. I’m told the OE oil pump and can plate is just fine to support this build. In your opinion would you keep the factory stuff or replace it with upgraded pump and plate?

@MasterTechMiller 6 месяцев назад

The OEM cam plate & oil pump will be absolutely fine to use.

@Mike_Oliver55 6 месяцев назад

@@MasterTechMiller thank you sir!

@BM-uj7rt Год назад

What kind of lube do you use on your parts instal. Suchas the Scream Eagle orange oil pump you installed in a previous video. You smothered the part. thanks

@MasterTechMiller Год назад

Molybdenum assembly lube is what I use on all parts except for the piston & cylinders. I use engine oil on those

@Big88Country Год назад

Thanks Brother for all the great info! I have a 2017 CVO Ultra 114, completely stock except for pipes and better intake filter with only 6K miles. If this was your bike, would you spend the money to upgrade the oil pump? That's really all I'm worried about. Me and my wife are getting ready to start some long distance riding and it would suck to blow a pump in the middle of no where. What do you think? Thank you Sir, appreciate what you do for the motorcycle community!! New subscriber!!

@MasterTechMiller Год назад

I would definitely spend the money on upgrading the oil pump 100% without a doubt. Even though you already have 6k miles on it without any issues (yet) I would definitely replace it. If it was a Softail I wouldn't be too concerned but being a touring model I would not trust it. Long haul rising is a catalyst for the sumping issue. Don't get caught up in all the BS about aftermarket oil pumps & cam plates just the twin cooler 8 lobe oil pump fitted.

@Big88Country Год назад

@@MasterTechMiller Thank you Tommy! Gonna follow your advice and get it replaced!! Appreciate your time and knowledge shared Brother!

@michaelmitchell5909 Год назад

I never heard anyone not recommend the sns plate and pump, sns lifters yes 100% would not get those, but the playe and pump???. And what about the sns 475 cam that everyone seems to get installed? Is a star 3030 is a better option than a sns cam?

@MasterTechMiller Год назад

The S&S 475 cam is a great all rounder cam that suits most people. However there are some trade off with it as it's so universal. Yes the Star 30/30 is a better cam than the 475 but there are much better bolt in cams than the 30/30 aswell. The CR485 is the best bolt in cam out there that I have ever installed, tuned & ridden on.

@Manonymous108 Год назад

What do you think of the Dark Horse Man O War compensator?

@MasterTechMiller Год назад

I do not recommend it at all for street use. It stresses thr drive train far too much & you will have issues with belt failure, transmission problems (mostly with 3rd gear) your clutch will suffer excessive forces & overall it makes the bike feel harsh to ride. I only reccomend it to full race applications & where a welded Flywheel is used & the rest of the drive train has been upgraded to suit.

@Manonymous108 Год назад

@@MasterTechMiller The build is a blue printed 124. Dark horse crank ( Balanced welded and trued), carillo rods, forged pistons S&S full cam chest, Bandit sportsman clutch with Trask billet clutch basket, Hayden primary tensioner Stage 3 cnc heads, Balanced injectors. Baker 7 speed transmission, in a '21 Ultra limited that is not going to the track. The build is being done by Keven Baxter and he recommended the installation of the man o war compensator. I'm not trying to be a dick, but I am fascinated by your reply and am curious if the compensator puts that much stress on the system that it would be more damaging to the build than helpful. The compensator is serviceable with cushioned pads, what is it about this compensator that you have seen in your experience that causes so much damage? There are a few builders here in the states that swear by its use, being that it is lighter and touted as stronger than other compensators. Some builders even put in a solid sprocket, but that sounds like it would do what you described the man o war compensator would do. They even advertise it (The man o war compensator) as having less shock to the system compared to a normal compensator. ru-vid.com/video/%D0%B2%D0%B8%D0%B4%D0%B5%D0%BE-foeVk_yuh3Y.html

@MasterTechMiller Год назад

The last sentence in my replie states that I only recommend it in engines that are for full race applications & the drive train has been upgraded. You state that you have a complete build including transmission replacement & primary drive component upgrades. Even though you're not planning on going to the track to race it, your build would still fall under the 'full race' bracket.

@Manonymous108 Год назад

@@MasterTechMiller OK I can't argue with your categorization, but these compensators are being installed on stock bikes and seemingly without any problems. The built in cushions would also seemingly allow some backlash in the drive train without causing problems as in a solid sprocket. Have you seem many stock bikes with this compensator have the problems you listed? I would really like to see some videos with this kind of information so that the general public could be informed. Also it would seem that even with the upgraded components, that IF such conditions exist in a stock motor, then they would exist in what you call a full race motor. Mechanical components will wear no matter how strong they are. Again I'm not trying to be a dick, I just want to be informed.

@MasterTechMiller Год назад

@Manonymous108 I will try to be clear. Yes some people are using it in stock bikes without any 'reported' problems. In saying that, the stock engine would not produce the same amount of huge torque a big inch build produces so therefore would not amplify the problems that can arise from removing the 'give' the OEM or billet compensator ramps allow for so yeah, some stock bikes would not have an issue. The little amount of cushion provided from the cushion drive in the Man O War compensator ramp does 'soften' the harshness from it but in my opinion and experience if you run that compensator on a big inch build with stock primary & transmission components then you will have problems in time. Maybe not for the first 10k miles but it will happen. If you wanna run that compensator with a full build that's fine, just know that when you strengthen one component you amplify the weakness of the next weakest component so that's why a 'full build is recommended

@Waldylan28 4 месяца назад

Do you have to worry about runout with the screaming eagle? If so what is the tolerance?

@MasterTechMiller 4 месяца назад

All oil pump & cam plate combos have to worry about run out. The SE unit has the biggest tolerance out of them all.

@charlesmccurry3602 9 месяцев назад

I’m building the 2023 lower rider st 1400 miles . I have a 475 in it now going to a 132 S&S and taking your advice and putting the Cycle-Rama 515 ( you suggestion) bigger valve springs , polished 55 mm manifold , 55 injectors , Thrash air cleaner , Thrash-in 2 into one pipe heavy clutch springs . Question can I use my S&S head bolts again only 600 miles on the build . I don’t do wheelies or burnouts . Not changing oil pump or cam plate or lifters . What is your thought , I have S&S push rods already .

@MasterTechMiller 9 месяцев назад

I would be running the 64mm Throttlebody & Intake with that setup. I'm fairly sure the S&S head nuts & reusable so there shouldn't be a problem there. Your lifters should be fine at only 1400miles.

@charlesmccurry3602 9 месяцев назад

@@MasterTechMillerThanks so much for thee quick response also maybe take the studs out and lock tite and torque 120 lb

@MasterTechMiller 9 месяцев назад

@charlesmccurry3602 that's a great idea

@_XeroFX_ 9 месяцев назад

8:54 “… doodoo…” Also, did anyone add up the prices he was giving?

@wilsta67 5 месяцев назад

whats the bike at the beginning of your videos popping a mono?

@MasterTechMiller 5 месяцев назад

Streetbob 124ci. S&S475 cam Bassani 2-1

@tennesseebound6597 11 месяцев назад

Can you upgrade to the SE oil pump and still use the stock cam plate or do you have to change to the new SE cam plate as a pair? Thank you

@MasterTechMiller 11 месяцев назад

As a pair!

@tennesseebound6597 9 месяцев назад

On the compensator ramp, what’s your opinion on a stock one and leaving it alone on a 107 other than slip ones? Probably down the road thinking S&S 465, im no racer , do lots of miles, love to just ride, other than beating on it only a few times, for the most part just love to ride.

@MasterTechMiller 9 месяцев назад

It's more than likely going to be fine to continue running the stock one in your case.

@tennesseebound6597 9 месяцев назад

@@MasterTechMiller thank you, loving all your videos!

@ashebarley77385 11 месяцев назад

when using the SE 131 kit would you use the rocker rollers or get from some other maker?

@MasterTechMiller 11 месяцев назад

No need for roller rockers at all

@lukefarnell8990 Год назад

Brother, who's the go-to for twin cams in Australia 🇦🇺 pleased

@MasterTechMiller Год назад

Cycle-Rama Cams for the Twincams are very impressive mate. They're available through www.alphaperformanceengines.com.au

@sixftjesus 6 месяцев назад

So, is the 2022 m8 117 built better?

@tbomb5004 8 месяцев назад

What can for 2023 M8 117 breakout stage 2 do you recommend 475 483 or 485?

@illduitmyself 3 месяца назад

475

@dennoinoz4278 6 месяцев назад

I am told that big bore builds should have the lifters changed every 30k or so.

@bmwdan3445 Год назад

What’s your opinion on the plastic intake???

@MasterTechMiller Год назад

It's generally fine to use on all stage 2 kits. There are no issues with it that I am aware of. Most guys want it gone because it's plastic but that's about it. The benefits of the cast alloy units are that it is able to be port matched to the heads & the inner surface can be textures to help induce intake air tumble

@bmwdan3445 Год назад

@@MasterTechMiller Thank you! The oil pump and compensator has been on my mind, I have a 2019, trying to save my pennies, just to do the stage two with a tune is big money and thats with me doing all the labor minus the tune. I would hate to open it up just for the oil pump. What would you recommend for a all around cam and tuner? I keep thinking the S&S 475 , tuner wise I have no clue?

@MasterTechMiller Год назад

@@bmwdan3445 get yourself a CR485 from www.alphaperformanceengines.com.au or hit them up on FB. Mention me. They will ship anywhere

@bmwdan3445 Год назад

Im checking it out now, thank you

@graemeberry9389 9 месяцев назад

I have a 2018 Fxlr 107 stage 1 your opinion on upgrade and estimate cost to stage 4 please thanks Graeme

@MasterTechMiller 9 месяцев назад

A Stage 4 kit from Screamin Eagle will take your 107ci out to 128ci & cost around $8500aud

@graemeberry9389 9 месяцев назад

@@MasterTechMiller cheers thanks mate

@markcobill4256 Год назад

hey tommy, where in Australia can i get the cyclerama lifter cuffs. cheers

@MasterTechMiller Год назад

Hit up the guys at www.alphaperformanceengines.com.au or reach out via their FB page. Mention me 👍

@markcobill4256 Год назад

@@MasterTechMiller awsme mate, love your channel

@thorout8377 Год назад

Awsome video

@MasterTechMiller Год назад

Thanks for watching

@thorout8377 Год назад

@@MasterTechMiller I'm thinking of riding up and seeing you. When the weather gets warmer.

@MasterTechMiller Год назад

@thorout8377 that would be awesome mate 👍 keep in touch! It's far too cold up here at the moment

@thorout8377 Год назад

@@MasterTechMiller shall do mate, talk soon

@im4usnot4u 11 месяцев назад

Is newest version of the Screaming Eagle valve springs good with a 540 lift cam for the 131?

@MasterTechMiller 11 месяцев назад

The latest SE springs will handle the 540 lift but I would go with AV&V springs over the latest SE springs.

@im4usnot4u 11 месяцев назад

Thanks. I've done everything but the valve springs on this brand new bike. Out of $$. Lol. Got a special two off cam from cycle rama. Wanted the 512 but couldn't pass up his offer. We will see how it works!

@MasterTechMiller 11 месяцев назад

@@im4usnot4u let me know how it goes! Who is doing your tune?

@im4usnot4u 11 месяцев назад

It's in texas. Can't remember the name. Do you have another way of contact? I can give you the info. 😮

@MasterTechMiller 11 месяцев назад

@@im4usnot4u you can email me at workshop@ddhd.com.au

@TonyTony-fs6uq 5 месяцев назад

How can probably one of the most expensive bikes you can buy needs so many upgrades, because the factory make such a product, this is shocking , why do people buy HD

@MasterTechMiller 5 месяцев назад

As a stock bike they are absolutely fine. Once you start to modify it, these are the options that should be considered.

@user-is2vy7ou4d 10 дней назад

If you want a fast bike, get a Japanese bike. If you want a good cruiser, Get a Harley and just leave its stock.

@Mik35959 8 часов назад

You obviously mustn’t jave ridden a property built fast harley

@noonespecial1217 7 месяцев назад

Remember, the cam plate is not in there to only support the camshaft and look pretty, it’s a precision oil galley delivery system crucial for your engine. How does a cast cam oil plate compete with the precision of a billet CNC unit? You say you don’t care in the comments what people say. To infer a statement like that is close minded and disrespectful. I understand your passion for getting the correct information out there, however, dialogue and support for other opinions is crucial to the community. Consider this.. if you have issues with the comments- don’t post the videos.