Upgrade Your (JUNK) Plastic Stock Manifold! S&S 55mm Manifold Install - Milwaukee 8 Touring

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In this video, we cover another major weak point in the Harley Davidson Milwaukee 8 motor! We cover why the stock intake manifold is garbage, and how you can easily upgrade it with the S&S 55mm intake manifold. See step-by-step how to install the manifold on your M8 Softail, Road Glide, Street Glide, Road King, etc. This is a super simple upgrade that makes a BIG difference! Get yours using the link below and save some money!
SUPPLIES NEEDED:
S&S 55MM MANIFOLD - tuckerspeed.co...
PORTED S&S 55MM MANIFOLD tuckerspeed.co...
TOOLS NEEDED:
-T40 Torx
-5/32" Allen
-3/16" Allen
-7/32 Allen
-Intake Manifold Wrench -tuckerspeed.co...
-5mm Allen
-T30 Torx
-T25 Torx
-9/16 Wrench
-In lbs Torque Wrench
-Screwdrivers
CHAPTERS:
00:00-00:47 - Intro
00:48-01:27 - Tools Needed
01:28-03:42 - Teardown
03:43-06:33 - Remove & Reinstall Fuel Rail, Flanges & Sensor
06:34-10:52 - Reassembly
10:53-11:33 - Outtro
Check out website at www.tuckerspee... for all your performance parts, accessories and apparel. Get 10% off your next order when you use code RU-vid at checkout.
Huge thank you to Law Tigers for sponsoring this video - Check them out:
Law Tigers - America's Motorcycle Accident Attorneys
lawtigers.com/
1-800-LAW-TIGERS Scott Hendrickson Cell - 435-720-1005
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#sscycle #m8 #harleydavidson

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16 авг 2024

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Комментарии : 92

@immortalimages 4 месяца назад

Thanks!

@TuckerSpeed477 4 месяца назад

Hey! Thanks for that, we appreciate it.

@j_guido444 3 месяца назад

Did this upgrade last week, using your video! Super easy done in less than an hour and noticeable difference when you crank the throttle! Worth the $350 to do it in my opinion! Thanks for the video!

@TuckerSpeed477 3 месяца назад

Awesome, glad we could help.

@joemann3536 6 месяцев назад

APRIL 2023 paid cash for the FXST...had my dealer put an aluminum intake manifold and drag bars before she came off the showroom floor. I think the plastic manifold on an air-cooled machine is crazy. I started seeing it on liquid cooled autos and thought that was pretty lame years ago.

@rickscholar7642 5 месяцев назад

Great video ! You proved it is possible to remove, and install, the intake manifold with everything still attached (fuel rail, MAP sensor).

@W9HJBill 6 месяцев назад

That was one of the first things I swapped out when I did a Stage II upgrade on my trike. Easy couple HP and torque.

@motoraddix 6 месяцев назад

I hurried up and liked this video so you wouldn't kick my dog. 😂😂 Great content guys!

@TuckerSpeed477 6 месяцев назад

😂

@Biker_1991 6 месяцев назад

Same! Why are the stock ones junk? Other than they’re plastic

@Biker_1991 6 месяцев назад

Just answered my question. Thanks

@D00mknight117 6 месяцев назад

So is now a bad time to tell you guys I wanted that back?

@TuckerSpeed477 6 месяцев назад

We got a box full of them, you want a couple?😂😂😂😂

@hoss6048 6 месяцев назад

What is the largest practical setup in a 114 for manifolds and injectors without bumping up to a large bore?

@TuckerSpeed477 6 месяцев назад

It depends on the rest of your motor. If you have a cam, plan on doing a big bore later, etc. We have had good luck with the 62mm throttle bodies on both big bore builds and stock displacement with a cam. Injectors just depends on your setup too. You usually won’t need bigger injectors unless you have a really aggressive cam or a big bore.

@SQUID_Road_Glide 6 месяцев назад

Your Tech-Tips R the💣! I will leave my manifolds loose till I set the breather bolts. Also leaving the tool in the screws as a reminder is smart. Dialectic in the O ring channel. Big One, 2022 I had Blockhead run my Fat Boy with Woods 22XE, and S&S Chest, Power Vision but no manifold. Now I'm running lean. So I got the SE 64mm manifold and intake with 5.5 injectors. It is a little frustrating that this advice still doesn't come from definition of a "Stage II". With my limited knowledge a manifold/injectors is necessary part of a cam change if power is one's motivation. OBTW, the reason why "black is back" is familiar, because it comes from an old saying..."white is right, black get back". Knowledge is power, brother. 2FD ET1(SS/SW/MTS) US Navy, Ret.

@darrinleazer6784 Месяц назад

Just wondering if you have one for a 2015 Fatboy? My bike already has the VH shorty pipes along with a aftermarket air cleaner.

@TuckerSpeed477 Месяц назад

There are a couple companies that make them, although your bike should already have an aluminum intake manifold so you don't need it as much as the M8 motors do. If you are wanting to upgrade anyways, I would suggest doing the HPI intake manifold/throttle body combo.

@immortalimages 4 месяца назад

Hey, just took your advice and ordered the newer S&S Premium 55mm CNC Ported Black Manifold. The bike was already dyno-tuned a while back, so will installing just this throw that tune off and make me have to get it re-tuned? Thank you. Just discovered your channel and appreciate how you do these videos. Thanks for that, too. I've subscribed and will share your page, too. Hope to hear back.

@TuckerSpeed477 4 месяца назад

You will not have to retune the bike if you are just swapping the manifold. If you change to a bigger throttle body you will want to retune but with just swapping the manifold you should be fine. Thanks for the support!

@immortalimages 4 месяца назад

great! thanks for the quick response. @@TuckerSpeed477

@TuckerSpeed477 4 месяца назад

@@immortalimages No problem!

@tennesseebound6597 6 месяцев назад

What’s your opinion, I have read that the S&S castings are terrible, that if you were to mic both intake ports they are off from one another plus they say the internal casting is really rough, they say that actually Harleys SE is a way better product. Problem currently Harley needs to get there shit together there intakes are 5 weeks back order for the past two months. I may end up getting the S&S. Thank you for the video!

@HDFXSB645 6 месяцев назад

This is the 2nd time I've heard about issues with S&S. I heard a few weeks ago at an H-D dealership that one of the employees recently installed an S&S cam kit and the heat treat on the cam was bad, causing it to flake. It was bad enough that the metal flakes plugged the oil pump and ruined the pump. And to make it worse, they said S&S customer service was piss poor

@TuckerSpeed477 6 месяцев назад

@@HDFXSB645 We've installed tons of S&S cams and never had that problem. Also never had anything but good experiences with their customer service. 🤷🏻‍♂

@TuckerSpeed477 6 месяцев назад

The casting isn't as smooth as something like the HPI, but we've never had any issues with them.

@HDFXSB645 6 месяцев назад

@@TuckerSpeed477 Good to hear. I like supporting local when I can, and being a WI resident, I've been interested in S&S. My brother lives close to Fuel Moto, and I told him to ask those guys if they have heard about this at all. They do a lot of S&S installs as well.

@TuckerSpeed477 6 месяцев назад

@@HDFXSB645 Fuel Moto deals with S&S a lot as well. I think S&S actually manufactures some of their parts for them.

@1962egl 6 месяцев назад

I just installed the hpi polished and ported intake manifold $300

@TuckerSpeed477 6 месяцев назад

The HPI manifold is a great option as well.

@1962egl 6 месяцев назад

@@TuckerSpeed477 went with 5.5 injectors while I was at it.

@tennesseebound6597 6 месяцев назад

Can you please tell me more about this intake manifold, im thinking this could be the one now, I did not know anything about it. Being a 58mm versus 55mm did that make any difference, was it a direct bolt up in just replacing the stock 55mm plastic one with the original throttle body and injectors and so forth. Thank you for any information.

@1962egl 6 месяцев назад

@@tennesseebound6597 yes replaces stock intake. Will except stock 55mm throttle body as well as hpi 58&62mm throttle bodies. It leaves room to expand. It’s a no brainer for the price it’s ported and polished to a mirror finish. Hpi quality is second to none. I was looking at s&s also until I found this one. I changed it when I did my cam. Did a rs468, hpi intake, 5.5 fuel moto injectors and the usual cam swap components. I think of it as a stage two plus. Also went with the sceamin eagle 1275 hd clutch springs. Everything works great together.

@tennesseebound6597 6 месяцев назад

Awesome thank you, currently all i have done was a set of slip ons and a new high volume air filter, that’s when I noticed that the intake was loose as a goose, then I started researching the plastic intake in how it becomes junk. Want to change it out, next year go with a cam. Purchased a Dynojet jet power vision 3 from fuel moto that they send a tune installed, haven’t flashed the bike yet, want to change out the intake first. Was going to buy the SE one but it’s still on back order, came across your suggestion and loving that idea. Thank you.

@_Arkenzie Месяц назад

How do you like the Baja designs as headlights?

@TuckerSpeed477 Месяц назад

They are super nice lights!

@whatsinthembags 6 месяцев назад

metric tools for a harley davidson ?

@j_guido444 3 месяца назад

What size is the long ball Allen?

@nealmoyer7216 6 месяцев назад

Does it have to be ported and polished to be effective? I have 107 with s&s 475 adj. Push rods tappet cuffs and lifters. S.E. hi flow intake breather and 2-1 bassani exhaust. Wanting to replace intake manifold What increase can I expect?

@TuckerSpeed477 6 месяцев назад

No, it doesn't. A port and polish helps, but like we said in the video, the main reason to replace it is to get rid of the plastic and avoid it warping and causing intake seal leaks. It's not going give you a huge increase in power but a leak will definitely hurt performance.

@nealmoyer7216 6 месяцев назад

@TuckerSpeed477 thank you for quick response. Just started watching your post and really appreciate all the information

@TuckerSpeed477 6 месяцев назад

@@nealmoyer7216 no problem!

@Streetglide2021CRUISEN 6 месяцев назад

put aluminum fuel rail on it

@TuckerSpeed477 6 месяцев назад

You could definitely upgrade that too while you're in there.

@user-bq9wv9bl4x 5 месяцев назад

Do you need to retune the bike if you just swap the intake?

@TuckerSpeed477 5 месяцев назад

No you don’t have to.

@aa79912 5 месяцев назад

So I found a NICNC 57 mm Would you have to retune if you replaced it with a 57mm intake.?

@TuckerSpeed477 5 месяцев назад

@@aa79912 if it's just the manifold, you probably don't need to retune it but if you are replacing the throttle body you should probably retune it.

@Grof2000 5 месяцев назад

Any reason you didn't go with bigger intake and TB (58 mm, 64mm etc) ?

@TuckerSpeed477 5 месяцев назад

We just did what the customer wanted on this one. We do usually run the HPI 62mm throttle body on most of our builds though.

@Flybrain-z3d 4 месяца назад

If you install that s&s 55mm manifold, the stock TB and that s&s will give you more than enough. You don’t need to replace the TB.

@TuckerSpeed477 4 месяца назад

@@Flybrain-z3d I disagree but to each their own. The bigger throttle body is always going to help. It’s not 100% necessary but will definitely help out.

@neilbranney5014 6 месяцев назад

My stock manifold has done 25000. No problem

@mafosa8519 6 месяцев назад

i dont think its a reliability issue. during the hot summer months. the aluminum will help keep the air from not heating up as fast. plus plastic on air cooled v twin motors is just wrong. just sayin..

@TuckerSpeed477 6 месяцев назад

That's great that you haven't had any issues yet, but it is a common issue we see. Also, there is a possibility that you may have some warping and a slight intake leak and not even realize it, may be leaving a little performance on the table.

@Centralthabiker 6 месяцев назад

good information

@TuckerSpeed477 6 месяцев назад

Thanks for watching!

@Centralthabiker 6 месяцев назад

@@TuckerSpeed477 not a problem at all

@TuckerSpeed477 6 месяцев назад

@@Centralthabiker we have lots more coming, stay tuned 👊🏼

@Centralthabiker 6 месяцев назад

@@TuckerSpeed477 good morning I wil make sure I stay tuned and thanks

@timblackburne77 2 дня назад

You never did explain why the plastic manifold is junk. Mechanically speaking, plastic does not retain heat very well, meaning the intake air temp readings should be closer to accurate than if a metal manifold was being used. Ultimately, with a metal manifold, at low rpms and idle the engine should be in a state of detune due to higher intake air temps, ie fuel enrichment and spark retard. Maybe it makes no difference on such a short manifold, but has any testing been done?

@timblackburne77 2 дня назад

To back this up, I relocated an intake air temp sensor on a Jeep 6 cylinder from the aluminium intake manifold to the plastic intake pipe and it consistantly had better fuel economy and ran smoother.

@TuckerSpeed477 2 дня назад

@@timblackburne77 we’ve had issues with them warping and causing pretty bad intake seal leaks.

@timblackburne77 2 дня назад

Im in Brisbane Australia, its fairly warm here. 3 friends and I all ride softails with 30,000kms on them, ours are still good. I am interested to see how long they last here

@chip9832 2 месяца назад

Nah

@harryhowell5644 6 месяцев назад

That looks like a real pain in the arse

@TuckerSpeed477 6 месяцев назад

Getting it out is kind of a pain. It's a simple job once you get it out, it's just tight on space.

@martgueritahewitt6773 4 месяца назад

😅 'Promo sm'

@johnnypartain3461 3 месяца назад

I've never seen a plastic manifold fail. How's it junk?

@TuckerSpeed477 3 месяца назад

Did you watch the video? We explained the problems in the video.

@johnnypartain3461 3 месяца назад

@@TuckerSpeed477 Yes, I saw a brief accusation of warping from heat. I thought you would have an example or some specifics. There are none. Plastic is smoother, lighter, and isolates heat better.?. Plus its what the manufacturer put on a lot of bikes. I've never seen a recall.

@TuckerSpeed477 3 месяца назад

@@johnnypartain3461 We work on tons of these bikes in the shop and have seen them first hand with intake seal leaks from the stock plastic manifold. The plastic manifold is new to Harleys on the M8 motor. True, they have not recalled anything yet, but we are just addressing a problem that we have experienced many times in the shop.

@victoryengineer 2 месяца назад

@@TuckerSpeed477 They also never recalled the faulty oil pump on the 2017 to mid 2019 M8's either and yet that needs to be replaced as well. Thanks for another great video!

@aussie1546 6 месяцев назад

spend on bike30K and realize that almost every part of it is junk, so start replacing part by part = Harley Davidson

@TuckerSpeed477 6 месяцев назад

Yeah, luckily all the other bike manufacturers are perfect and have zero weak points or things that can/should be upgraded.

@aussie1546 6 месяцев назад

amen to that@@TuckerSpeed477, just FYI I own two Harleys, Kawasaki, and Moto Guzzi. Take guess where money goes....

@sk8r4life92188 5 месяцев назад

Why install high-quality parts from the factory when most of your customers are going to replace them anyway? It’s very expensive but also makes every Harley one of the kind after the work is done.

@user-os1mm8to6l 4 месяца назад

⁠@@TuckerSpeed477😂

@brandonheath9787 3 месяца назад

I usually buy a Harley touring bike knowing it’ll need suspension, exhaust, bars and a cam chest kit. You gotta pay to play but plenty of guys put slip on pipes and run the dog shit out of them.