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How to Install Harland Sharp Roller Rockers on a Jeep 4.0

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These are the S40196 Harland Sharp Roller Rockers Made in the USA. These Harland Rocker Arms are good for 9 plus horsepower across the entire rpm curve. They are great in reducing friction at the pivot point and at the valve tip, which also greatly reduces valve guide wear.
Check out this video as well to see the HP gains of these rockers • Do Roller Rockers Make... This video is also a great way to see how to change a valve cover gasket.
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Harland Sharp (S40196) 1.6:1 Ratio Rocker Arm Pedestal Mount for 4.0L Jeep amzn.to/2CzZK44
Harland Sharp S40196A Jeep 4.0L Rocker Arm 1.6 Ratio Adjustable amzn.to/3f2pZDG
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FYI if you click any of the product links above and end up purchasing anything I MAY get paid a small commission at no extra charge to you. This is one of the ways you can support the channel. Your support helps me bring out more content for all of you. Martinbuilt assumes no liability for property damage or injury incurred as a result of any of the information contained in this video. Use this information at your own risk. No information contained in this video shall create any expressed or implied warranty or guarantee of any particular result. Any injury, damage, or loss that may result from the information contained in this video is the sole responsibility of the user and not Martinbuilt. Martinbuilt cannot guarantee against improper use or unauthorized modifications of this information.
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Опубликовано:

24 авг 2024

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Комментарии : 284

@indridcold8433 4 года назад

My rockers are making quite clattering noise after 24 years of ownership. I tighten them from time to time and it helps quiet them down a bit. I may get these to fix the diesel sounding engine permanently. Age has got the rockers to have a wear mark on all of them.

@revolutionday1 3 года назад

.....right?! I've got a full exhaust on my WJ, and the rockers are STILL louder! X-D

@stevee7774 Год назад

Yeah, don’t worry about the lifters or pushrods or anything like that...

@indridcold8433 Год назад

@@stevee7774 The lifters are solid. They really can not go bad. It is a very old vehicle. At 439,000 miles on a petrol engine, those rockers can be expected to be somewhat worn.

@indridcold8433 Год назад

@@revolutionday1 The AMC 242ci I6 seems to be good at doing a diesel impersonation.

@stevee7774 Год назад

@@indridcold8433 - Sorry, but the Jeep 4.0L engine he was working on has HYDRAULIC lifters. If it had solid lifters then he would have had to set valve lash instead of just tightening the rockers down to a specific torque.

@rah121760 8 лет назад

Nice upgrade Martin! Always enjoy your upgrade videos.

@TheBigmatt6969 7 лет назад

I use to think this would be hard thanks for the video man good job

@williambratly8050 4 года назад

Removing the baffling in the valve cover will lead to oil consumption, the baffling is part of (Pcv) system) positive crankcase ventlation system, It helps prevent oil being pulled in to the engine cylinders were it will durn.

@martinbuilt 4 года назад

This is true, I ended up removing the hose from the intake and installing a small K&N breather filter.

@theirishconservative2536 3 года назад

Or what I have done . connect both hoses to a T fitting than run a hose to an external oil catch can

@SalFettucini 2 года назад

Im guessing that an oil cooler will mitigate any potential for a rise in temperature, as a result of the filter being right above the valve cover, but does that lack of an intake hose create a drop in the overall rate of volume of air? Do you think it's affected the air fuel mixture?

@LaunceBugbee Месяц назад

*CCV

@oldprophet 5 лет назад

Simply Awesome. Love your videos.

@rogueakita1 8 лет назад

Thanks Martin, for some reason I thought that video was related to another project. Guess I need to watch it and see if'n I wanna tackle it. Thanks again. for all the posts, have a great night.

@BONGHITTAH420 5 лет назад

No torque wrench?

@Dino30ish 8 лет назад

Shouldn't you install these on each cylinder starting at #1 on TDC (Torque to 19ft lbs) , then rotate the engine so the next cylinder in the firing order is on TDC and repeat the cycle ? ............... Torquing these down against spring pressure will give you a false torque reading and leave the rocker arms loose when at TDC on a particular cylinder .......

@martinbuilt 8 лет назад

+Norman Murray Thanks for mentioning that. You are right.

@jbossnack 8 лет назад

I've never manually advanced the pistons. how do you do that?

@Dino30ish 8 лет назад

Put a socket on the crankshaft damper/ pulley bolt and turn it clock wise ... It will be easier to do if the spark plugs are removed because there will be no compression .....

@rwooten67 7 лет назад

No because you have hydraulic lifters. They will compensate for whatever position the cam is in.

@waynesanders1406 6 лет назад

Lifters have a .030" range of operation you want to stay within. Go outside of that range and you can damage the lifter, either wear out the tolerances inside and have a collapsed one or have them too lose and the push rod knocks the retainer clip wonky and it flies apart. I've had both happen, and the latter just happened yesterday.

@chuckkowalski2593 8 лет назад

Another great " How to" and upgrade.. Excellent work and thanks!

@dandahermitseals5582 Год назад

You didn't say what engine but it looks like the 4.0 inline 6 in my Comanche jeep that currently has clicky rocker arms at 195000 miles. Engine is running very good.

@martinbuilt Год назад

Yes this was the 4.0 engine.

@patrickmadigan829 6 лет назад

A HELPFUL TRICK FOR REMEMBERING WHICH VALVE COVER BOLT GOES WHERE ID TO TRACE THE NEW GASKET ON A PIECE OF CARDBOARD AND PUSH THEM INTO THE BOARD AS YOU REMOVE THEM. MADE THINGS EASIER WHEN I REPLACED MY VC GASKET.

@martinbuilt 6 лет назад

patrick madigan Good idea...thanks for commenting

@darrellwilliams4520 4 года назад

That's a great lil tip that I will remember! Thanks!

@denvernichols6626 3 года назад

Harland sharp changed the torque specs to 24ft lb

@martinbuilt 3 года назад

Thanks for the update.

@GenoThumper 3 года назад

Thanks love your videos. Just found your cast yesterday.

@martinbuilt 3 года назад

Glad you like them!

@LZDEN 8 лет назад

very nice indeed..great job Martin.

@7spower998 4 года назад

Great video. However, it's a good practise when performing work on any engine 7:15 Never dump used oil back to the engine 8:17 Use Permatex Ultra Slick Engine Assembly Lube on any mating surfaces 8:33 For ease of installation, insert allen bolts thru roller rocker arms holes and hold them in place in the palm. Turn palm right side up, then insert from the top two pedestal mount thru allen bolts . Hold them in place with fingers. Then, align the roller rocker assembly to rocker mounting holes

@titaniumman_22 2 года назад

Martin, I know this was a long time ago, but if you are still on RU-vid…did you need to do anything with the camshaft to use the new roller rockers? Love your videos brother! I’d want to put an inspection window on the valve cover so I watch those babies rock and roll!

@martinbuilt 2 года назад

I still have the Jeep and runs great. No modifications necessary. Yeah a transparent top valve cover would be cool. 😎

@davidnicoll9140 Год назад

Your videos have helped me so much, awesome!

@martinbuilt Год назад

Thank you, David. I really appreciate that. I'm glad you liked it and found it helpful.

@carldietz9767 Год назад

What about the lifter backlash/preload and centering roller on valve head using shims under rocker stands, and lifter preload using proper length push rods? That is how you get the maximum benefit from your large investment in roller rockers.

@zacharygraham4962 7 лет назад

I think baffle was supposed to redirect oil onto rockers

@mrantihippie 6 лет назад

Zachary Graham my older renix style cover didn't have one, but this would make sense. The newer lighter covers all had baffles

@nathan00campbell 6 лет назад

its there to try and keep oil out of the PCV valve and intake breather lines. some times you will not notice it missing but any blow by at all and you will now think you have burnt rings or valves because you will be sucking oil into the intake and burning it causing blue smoke from the exhaust. bottom line, its there for a reason and best to not remove it. if it does not fit with the new rockers then its time for a taller cover. simple as that. why spend good money on upgrades just to cut corners on the instal

@luketrochinski3954 5 лет назад

What size 90 degree silicone elbow do you have for your intake? How can I get one?

@francisbrackney2061 3 года назад

Everything that I have looked up claims 8 to 10 HP gain with full roller rocker arms on a 4.0 jeep.

@martinbuilt 3 года назад

that is correct, I've heard 8 to13 HP

@imagineaworld 5 лет назад

Call me blind but was that a torque wrench or were you just eyeballin it? Also, they look good in there, but what is it really worth to cut your baffle out? We do not know more than jeep so dont hit me with with why it isnt necessary, i would not cut my baffle... id rather have a spacer machined, half an inch maybe? The hoods got room if im at all familiar..

@ekbanjosworld4926 9 месяцев назад

What are the advantages of these on a tractor engine designed for low end torque? Do you have a high performance cam? Higher rate valve springs? Heavier push rods? My main ? did they kill the oh so familiar clatter? Where did you find a 68 mm throttle body and what fuel injectors are you using? I love your channel dude! Always good stuff!

@martinbuilt 8 месяцев назад

The advantage of these is it reduces the friction between the rocker and the valve stem tip. And it reduces wear on the valve guide. The result is more horsepower because of the reduced friction. All my other components are OEM.

@leighakley9328 3 года назад

Should't Each cylinder/piston should be at top dead center compression when torqueing the cap screws to prevent bridge twist.

@rogueakita1 8 лет назад

Great video Martin, thanks for posting. Wife threw a rod in my sons jeep XJ 4 months ago while he's in Japan.lol For him I threw a Crower Baja Beast Level 1 cam in with +.030 Overbore piston and rebuilt it with Banks header and airaid intake. I am putting the HarlandSharp roller rockers in the 4.6L Stroker in my XJ. btw what's the specs on your throttle body, likes vs dislikes? thanks

@martinbuilt 8 лет назад

the throttle body is a 68 millimeter off a 4.7 liter Dodge Dakota. I ported and polished it. and I had to build a special adapter to go from the four bolt to a 3 bolt pattern. I can't say that there was a big horsepower gain it's hard to feel. it definitely seems to open up on the upper end. and it has more of a roar to it. I do have a video on it. I can say this I'm not going back to a 62 that I had on before

@jeksdad5979 6 лет назад

Do you have any stats on the adapter you built?

@travisguy6044 3 года назад

Really quieted down got me thinking about doing it to my zj now lol...goodstuff👍

@martinbuilt 3 года назад

They are worth it, 8 to 13 HP gain and less wear to the guides.

@orangek5 3 года назад

@@martinbuilt 8 to 13 with only this???

@martinbuilt 3 года назад

@@orangek5 yes check out this video ru-vid.com/video/%D0%B2%D0%B8%D0%B4%D0%B5%D0%BE-KWtfo4uT61E.html

@FootageFactory 8 лет назад

So badass. I'm doing this next.

@abackimages5351 3 года назад

They did videos on horsepower gains and its 9 to 15 hp gain on dyno.

@martinbuilt 3 года назад

yeah, I just saw that video a month ago or so, that makes them worth the money.

@francisbrackney2061 3 года назад

I think it is about the same for the old 4.2 AMC jeep also, some of the parts interchange also I think.

@kseel6453 3 года назад

The manufacturer states they only make them for 1983 to 1986 Jeep CJ 258. Why not earlier 258's they do not specify, but it may have to do with the valve cover clearance on earlier 258's.

@Denver1976Man 5 дней назад

@@kseel6453 did you ever figure anything out on this? I have an 88but the motor was made in 87. I don't know what the differences would be except maybe the rod size.

@anthony_sasquatch8056 2 года назад

Very cool man!

@martinbuilt 2 года назад

I'm glad you liked it 👍 😊

@heyitsemmett1324 7 лет назад

Where did he relocate the vacuum line from his pcv valve when he installed his new intake?

@martinbuilt 7 лет назад

the 68mm throttle body I installed has a vacuum line fitting. Or you install a small K&N style filter to the end of the vacuum hose and tie strap to the fire wall.

@carloscartaya9932 4 года назад

Great video! So how did it feel on the test drive? Sounds sweeeeeet, thanks

@martinbuilt 4 года назад

They are great, been in there now for almost 5 years, and their good for another 9 plus horsepower.

@nathanhoover3636 2 года назад

just out of curiosity, do you have any oil burning issues after cutting out the baffle? I am probably going to end up having to do the same thing on my 4.6 stroker because nothing else will make those rockers fit. my idea was to do the same thing and run a catch can to prevent oil burning and to make the motor run cleaner in general.

@martinbuilt 2 года назад

Yeah, I ended up running a hose with a small K&N filter and mounting it on the firewall because it was sucking the oil and burning it through the intake manifold. I should just install a catch can.

@AngelMartinez-wf3iu Год назад

I installed those in my Jeep xj whit a wider throttle body N a throttle body spacer .now I just touch the gas n it pulls good but also it reduce the gas mileage.

@martinbuilt Год назад

I can assure you the rocker arms aren't to cause of your lower MPG. Is the throttle body opening bigger than the intake manifold and if so it needs to be enlarged as well to match to the throttle body.

@ekbanjosworld4926 9 месяцев назад

Martin, am I hearing a Pete Jackson Gear Drive? I the air intake noisy in the cab!

@martinbuilt 8 месяцев назад

No I don't have a gear drive. And the cab noise from the air intake is not noisy at all. The only time there is a little bit of noise is that the initial cold starts. It only lasts for twenty to fifty seconds or so.

@TheCthtoNicfLy 2 года назад

DUDE INTAKE SPECKS what's the air intake temp with the pipe over the engine, I just think It's not any cooler, polish the cover

@majhmr6257 8 лет назад

If one hasn't done any work under the gasket cover to this point in their build, when installing the Roller Rockers, is there any other general maintenance or items to consider replacing other than the gasket while it is off?

@martinbuilt 8 лет назад

well there are a number of things you could change out push rods if you like and I would probably most likely inspect the valve guide seals of course that does involve removing the valve retainers. that can be a pretty big job. but then the chorus if it needs to be done it needs to be done.

@revolutionday1 3 года назад

Pushrods.

@Ben-lo7cy 7 лет назад

Nice How To video 👍🏼

@Moto_x11 2 года назад

I got these rockers coming soon.. Question has anyone tried to slightly dent the baffle where the lifters contact? I really dont want to use a spacer with a double gasket so I'm gonna try to save $150. First I'm gonna need to figure out how much clearance I need with modeling clay.

@martinbuilt 2 года назад

Yeah, I've kind of wondered the same thing about the clearance issue with these rockers. I also have bought another valve cover and was going to use the clay method that you mentioned and see just how much clearness there is.

@Moto_x11 2 года назад

@@martinbuilt Nice video btw I guess it's off to the races to see who gets it done first! I'll let you know how it goes when I get the parts in. I should get the Rockers by Saturday. If all fails I'm gonna go with the valve cover spacer

@mnvjim7900 Год назад

@@Moto_x11 did you ever find out how the clearance was with the valve cover?

@Moto_x11 Год назад

@@mnvjim7900 sorta it hits on a certain spot you could potentially hit with a hammer but don’t remove your baffle. I read ppl had oil consumption problems after doing that. I returned my rockers because you need a spacer for the thermostat housing 2 gaskets and 2 gaskets for the spacer I bought for the valve cover. I was $800 into it and I rather not take the additional risk of the gaskets failing. I went with enginetech rockers and those worked good for me.

@chrisketchum3576 7 лет назад

Love the video but i gotta ask its been bugging me what are the an fittings running to in the corner of the driver side behind your headlight i got an oil catch can there for mine

@esti5506 3 месяца назад

Why does it sound like its super charged? Is that the new rockers whining, or something else?

@martinbuilt 3 месяца назад

I know it's not the rocker arms that did that I think it's the cold air intake that I'm running and with a 68 mm throttle body.

@peteradke2816 Год назад

what's that whining sound during start up?!

@trakkerp4202 4 года назад

Nice how to, even get a laugh when you hear a minion go off out of nowhere lol

@martinbuilt 4 года назад

Glad you enjoyed it, that was probably my cell phone letting me know I have a text message.

@AudioFreqx 5 лет назад

Great video. but

@gristlevonraben 4 года назад

Less lifter noise, Sir.

@tappearson2372 4 года назад

More power, less resistance.

@jhudson19956 5 лет назад

Let’s see some Jeep pics

@martinbuilt 5 лет назад

Check out facebook.com/Martinbuilt-2351766611763181 Thank you for watching.

@mrantihippie 6 лет назад

My 93 didn't have a bafel. Is a older renix style cover. Does the balef really aid these or should i just stick with my renix cover ? These newer style ones looks cheesy, even sounded so in vid. If it provides a advantage tho i'm swapping it with o e at the yard

@martinbuilt 6 лет назад

Taylor Mallory I personally think you can stick with your old cover. And honestly I don't think I would have needed to remove the baffle in my steel valve cover. I think the ones that cause a problem are the cast aluminum that have a baffle

@Ikillintel1 4 года назад

I know this is from 2015 and I hope they worked out well for you, but I noticed you never set the valve lash on those , did you go back and set it off the video? I'm building a 4.2L and have a set of these and just decided to check out some vids of installs.

@martinbuilt 4 года назад

You don't have to set the valve latch, it's a hydraulic lifter you simply torque the bolts to 19 foot pounds and you're done. The lifters automatically set the valve latch.

@Ikillintel1 4 года назад

Thanks for the reply and clearing that up.

@martinbuilt 4 года назад

@@Ikillintel1 you're welcome, thank you for watching!

@revolutionday1 3 года назад

@@martinbuilt

@treehugger4682 Год назад

Did you use a torque wrench on the rockers and if so what are the specs

@GaJeepr 8 лет назад

Cool. Nice install Martin. Something tells me there is a seat of the pant$ feeling with these.

@martinbuilt 8 лет назад

+Scott McIntyre Your funny Scott, Yes there is that kind of seat in the pants feeling. I shopped around and got them through JEGS for 359.77. Jegs price matched someone, I forget who.

@GaJeepr 8 лет назад

+martinbuilt Good Price! You would spend ~$144 on factory ones if you replaced after a full cylinder head job. ( SealedPower price via RockAuto). Thanks again. Doing the WJ brake upgrade you did on your XJ to my MJ.

@stevee7774 Год назад

Yes, his wallet which resides in the seat of his pants is definitely lighter.

@eggnogfrog 7 лет назад

Torque wrench! 21 ft. lbs.

@richardarmstrong5928 7 лет назад

6 foot cheeter and a Bruce Lee kick

@waynesanders1406 6 лет назад

It says 19 in my Haynes manual for I6's.

@kevindewaly8127 4 года назад

Every year 4.0 is diffrent

@MyLonewolf25 7 лет назад

My question is if they're all in line why aren't they all on a single shaft?

@mrantihippie 6 лет назад

More metal. More complicated.

@landoflakes92 4 года назад

Because its an overhead valve engine, not an overhead cam engine.

@honeybadger7320 7 лет назад

Did you just replace the rockers or in a previous video replace the cam as well?

@martinbuilt 3 года назад

I just replaced the rockers

@jlathem56 Год назад

After removing the baffle were there any issues?

@martinbuilt Год назад

Yes I had to relocate a breather and remove it from the throttle body. As it was drawing oil into the intake manifold.

@revolutionday1 3 года назад

I was SO pumped after watching this and seeing exactly how simple of a job this is..... Then.... I clicked the link and saw the price, which made my eyes water. *sigh*

@martinbuilt 3 года назад

I feel that they are worth it, and good for 8-13 HP all because of the reduced friction.

@Aracnacon1 5 месяцев назад

What was the reason you upgraded?

@martinbuilt 5 месяцев назад

Initially it was to help reduce the wear of the valve guides and then it has been proven that there is approximately an 8 plus horsepower gain by using this cuz of the reduced friction. And because I had some money that was burning a hole in my pocket 😁

@killallblue 8 лет назад

i saw on the site they have 2 different part number for the 4.0 what one did you use

@martinbuilt 8 лет назад

part number S40196

@killallblue 8 лет назад

thank you sir

@vincentdeluz 7 лет назад

What's the other part number? These are the 1.6. I can't find the part number for the 1.7 arms anywhere.

@Mr.Agosto 7 лет назад

What have you noticed with this mod? Performance wise...Thinking about doing it on my mini stroker build. But i have the 7120 head and a renix valve cover, wondering if i'll have clearance issues

@stevee7774 Год назад

He noticed a definite reduction in his bank account.

@gordongman3423 6 лет назад

Just found you channel. Have you seen any significant difference ? New sub

@martinbuilt 6 лет назад

Gordon GMan it's not going to give you a hp gain that you're going to feel. It greatly reduce valve guide wear and increase rpm potential. Thanks for subscribing.

@GenoThumper 3 года назад

What about springs? Buy different springs, or keep old springs?

@martinbuilt 3 года назад

If you are going to install the Harland rockers, it is the only thing you need to do, remove and replace.

@mrhighway Год назад

When you remove the tray under the valve cover would that affect the PCV system?

@martinbuilt Год назад

Yeah it does ends up putting oil into the intake manifold. I ended up just running a hose up higher with a filter attached to the firewall. I got another valve cover one of these days I'm gonna try just installing it rotating the engine and see if it makes any contact with that metal.

@informKPBoateng 3 года назад

I can’t find these for sale hardly anywhere. But I found the exact ones with an “a” at the end, i guess it means adjustable. Will those still work? Without extra work?

@martinbuilt 3 года назад

Yeah they would work but you will need to set the lash. It's not to hard with hydraulic lifters, when the rocker tip makes contact with the valve stem them you turn 1 and half more to set the lash. Harland Sharp S40196A Jeep 4.0L Rocker Arm 1.6 Ratio Adjustable amzn.to/3f2pZDG

@GenoThumper 3 года назад

What difference would hydraulic lifters do? and

@martinbuilt 3 года назад

I'm no familiar with the Ford Edge, I would inspect all the control arm and track bar bushings and replace any worn parts.

@GenoThumper 3 года назад

What push rods, and lifters should l use with Harland Star rocker Rollers in my 95 Jeep yj 4.0 liter?

@martinbuilt 3 года назад

You can just use factory lifters and pushrods

@shaethompson2060 2 года назад

Did you have to send the head off to a shop or do anything with the valves before you did this or is it pretty much ug and play?

@martinbuilt 2 года назад

It is a complete bolt on and play. Been running these rockers for quite a few years now never had a problem with them.

@JohnSmith-mg5ve 8 лет назад

since they are right there why didn't you replace the pushrods?

@martinbuilt 8 лет назад

+John Smith Maybe I should have. The original ones looked real good.

@jtmlucas Год назад

just wondering you daily drive this jeep have any problems with them? doing full build with mine having hard time finding info about life span

@irishjoe9195 2 месяца назад

As long as you take of this Jeep they could last a very long time, These Engines are very resilient if I would say.

@claycoates5056 6 лет назад

wonderful video there in no advantage to doing this to an older motor great for a new build will increase the life of the valve trail thank you for your time

@davidjessee7701 7 лет назад

Great video..ashame you have to cover up those beautiful rockers with a valve cover.. should at least powder coat the cover some bitchin color..lol

@citydemo5701 5 лет назад

they should have kept them stainless. I don't see the point in coloring them if its not a visible component beside giving you a uneasy feeling when you throw the cover back over them.

@AudioFreqx 5 лет назад

@@citydemo5701 Anodizing hardens them.

@citydemo5701 5 лет назад

whats that winning noise when you work the the throttle cable

@Wyde-awake 4 года назад

The cowl induction intake and it looks like he's got a bored out throttle body.

@shanedass9339 8 лет назад

I noticed you have a bleeder valve on your heater hose. where did you get it? having a hard time getting all the air out of my cooling system.

@martinbuilt 8 лет назад

Walmart

@shanedass9339 8 лет назад

Your kidding. Online or in the store?

@martinbuilt 8 лет назад

In the store. Just above the antifreeze, next to the flush.

@andrewslagle1974 5 лет назад

its a coolant flush t you get it in a coolant flush kit.you can get them at wallmart or any parts place

@DB-yj3qc 5 лет назад

@@andrewslagle1974 Do but a spare one though, after a few years they can turn brittle and break. I've had to replace a few.

@LaoMa9 8 лет назад

Why did you change it? Better performance or nice to have?

@AudioFreqx 5 лет назад

100% legit Q

@bryancordero4522 7 лет назад

hey, when u cut off that oil pan inside the head cylinder cover, the oil didn't go through hose straight to the intake? and how many power u get after that swap, I know less friction mean better displacement that make sense.

@martinbuilt 7 лет назад

If I would do this again I would not cut out that metal under the rocker cover and see if it would clear. A small amount of oil will go into the intake. I ended up taking that hose off and installing a vent filter and mounting it high on the fire wall.

@mikejohnson4276 7 лет назад

martinbuilt ....so dont. I tried that for that reason and it doesn't clear, all of them rub on the baffling and bent 3 or 4 pushrods. I had 12 spare rods so it was a quick free repair, but I removed the baffling and it's fine and a lot quieter

@DanteThoriz 8 лет назад

Martin, What benefits gives the engine?

@landoflakes92 4 года назад

None

@citydemo5701 5 лет назад

the last video said you get like 25 hp from this upgrade? what you think?

@martinbuilt 5 лет назад

25 horsepower that would be huge and definitely something I would have felt or I should say I would have felt it torque increase from this I did not. There is Maybe a few horsepower gain but something that you would have to see on a dyno.

@tomashton7208 7 лет назад

since the 4.0 is almost the same as the 2.5 4 banger will those rockers work too.? whats the rocker arm ratio?

@martinbuilt 7 лет назад

1.6 ratio

@shanedimon1911 2 года назад

I have a question. Do you have to drain the engine oil to do this

@martinbuilt 2 года назад

No, you don't have to do that, but it may be a good time to change the oil after you get the rocker arms installed.

@stevee7774 Год назад

Only if the engine is upside down.

@HDnUmBeR2 5 лет назад

Mine burns oil like a savage now the baffle is cut out. Ot sure what to do now

@martinbuilt 5 лет назад

remove the vent hose from the throttle body and place a small breather filter on the end of the hose and mount it higher than the valve cover and install a plug on the TB.

@johnathonrambo 5 лет назад

Might throw in a new pcv valve might help with oil loss

@majhmr6257 8 лет назад

Like all your videos, this is very informative and well made. I have an almost stock '00 XJ I6 4.0L. I did install a slightly larger TB. I'm looking to increase power. Is installing these Roller Rockers a good next step or is it further down the list of items you would replace or modify before doing this?

@martinbuilt 8 лет назад

+MAJ HMR I would do a true cold air intake (CAI). Don't use a K&N air filter, those are dirt suckers. Hi flow cat and a free flow cat back exhaust. It would be a waist of money to do these rockers at your point of the build.

@majhmr6257 8 лет назад

I'm in the process of using your video on CAI. I'm not a K&N fan. I'm looking into the exhaust system. If you have recommendations there, I'd appreciate it.

@tmmyjay 10 месяцев назад

Are these self adjusting?

@martinbuilt Месяц назад

In a word yes the lifters are making the adjustments. Same as OEM.

@JoseLopez-ep9jl 4 года назад

Hello martin one question where you buy this rollers i need a buy ones.?

@martinbuilt 4 года назад

amzn.to/2OghvMS

@SalFettucini 2 года назад

Hey Martin! You think these rockers, new pushrods and lifters will settle alright on a 4.0 camshaft with 60k on it?

@martinbuilt 2 года назад

With only 60000 miles is there a reason you're changing the lifters and pushrods. If you want to save a lot of work and some money I would just install the rocker arms. You'll need to pull the cylinder head to change the lifters.

@SalFettucini 2 года назад

@@martinbuilt well, either i have a lifter tick or a piston skirt may be on its way out. I figure i may as well swap them if im doing the rockers, but ill be pulling the oil pan first to see if theres any metal sitting in it. A compression test came up fine as well, but the tick remains. Id like to get rid of it if i can!

@AlloyDiesel 7 лет назад

does this reduce the rocker noise? I would like my engine to have less clickitclac.

@martinbuilt 7 лет назад

I can't say that it would make it quieter. Are you sure its not the lifters that are making all the noise.

@AlloyDiesel 7 лет назад

thanks for the helpful information. The noise is most likely lifters, but it's not unusual, most 4.0 I have heard have it. I am just being picky. My 4.0 would have a very sweet/smooth sound if not for the loud lifter tap common to all these engines.

@randomcitizen2384 2 года назад

Those are expen$ive! I could understand using them on a new stroker build, but could not justify the cost to put them on my nearly 200k mile engine just to save on some rattle.

@martinbuilt 2 года назад

There was a video done where it was proven that these these roller rockers will give you 8 to 13 horsepower, so for $400 or whatever they're going for now, I think it Is justified. Besides, you know what Jeep stands for. Justify Every Expensive Purchase 😁

@petiewheatstraw8537 8 лет назад

Where do you find your special parts like your bigger intake and harland roller rockers or similar? It is tough to find jeep parts on 4.0's. What are the benefits after your install? Chatter more? HP or power gain? Run smoother, cooler?

@martinbuilt 8 лет назад

+Petie Wheatstraw I'm not having a hard time finding parts for the 4.0. Just google what your looking for. As far as the rockers go, I wouldn't say there is not a great benefit to them, especially with a stock cam. They are quiet, no noticeable improvement in HP. It would take a dyno to see any gains and I think it would be minimal.

@crkerriklein 8 лет назад

the main reason for doing roller rockers, is less wear on the valve stems and also stronger rockers, the stamp steel rockers tend to bend over time

@EyebrowsMahoney 8 лет назад

That "bigger intake" is the stock late model 4.0L intake manifold. You can pick those up off any late model (99+) Cherokee and it's pretty much straight bolt in. I think you might need to make some mods to the mounting of the fuel rail, but I can't remember. Unless you're talking about the intake tubing he used to relocate his intake to the cowling, in that case it's all custom. 4.0L's have a decent parts market out for them. You can pick up stuff at Summit or Quadratec for them.

@martinbuilt 8 лет назад

Eyebrows Mahoney 99 plus

@EyebrowsMahoney 8 лет назад

+martinbuilt thanks for the correction. I've edited to reflect

@my_name_is_chef4856 7 лет назад

What does this actually change for you? Like performance wise.

@martinbuilt 7 лет назад

Less stress on valve stems reducing guide ware.

@camocorndog 7 лет назад

martinbuilt That's sweet! i have a Valve seal going on my Jeep 4.0... Time for some Jeep Parts! 😆

@Taydrum 6 лет назад

Hey I know this is 3 years late, but does this reduced friction and wear help with fuel economy?

@jesusmanueldominguezt.3284 7 лет назад

Could you tell me what is the piece number?

@martinbuilt 7 лет назад

Jesús Manuel Dominguez T. it's in the description

@ddesilva61 5 лет назад

Did you really notice any performance gains...?

@martinbuilt 5 лет назад

nothing that I could feel. With these rockers you'll have less valve guide wear.

@Lose_your_self 2 года назад

Do the engine stock ? Cause I have the same rockers when I installed there’s a noise from him my Jeep stroker crank 4.7 comp cam stage 3 I don’t know should I move more 19 ft if can help me ?

@martinbuilt 2 года назад

With that higher lift Cam you have I'm wondering if the rocker is not hitting the top of the valve cover. Did you remove that baffle from the valve cover?

@Lose_your_self 2 года назад

@@martinbuilt I buy the spacer for that problem also there’s a noise so i install the oem roller rockers but i want to install the harland before the dyno .. when I install him at first time with 19ft still there’s noise then with 24ft still there is no difference same noise like something crack or Iron hits each other

@martinbuilt 2 года назад

@@Lose_your_self 19 ft-lbs is good. try removing the valve cover and start the engine maybe you can find the problem. Yes, it will make a mess. First try using a mechanic's stethoscope to see if you can narrow it down.

@Lose_your_self 2 года назад

@@martinbuilt i will thank you brother and i tell you what’s going with me

@Lose_your_self 2 года назад

What kind of Valve Springs you go on your jeep sir ?

@user-pc1ce3ng1x 4 года назад

все классно и красиво!а вот воздуховод не по веншую.движок полюбому ходит на подушках и поэтому без гофры не обойтись..будет разшатфвать..

@SuperDagod1 8 лет назад

Why does your air intake go across your engine and into the vehicle?

@martinbuilt 8 лет назад

That's my cold air intake. I have a video on it. The filter sits inside of the cowl.

@martinbuilt 7 лет назад

Don't recall the ratio. But I would see if the part number of a factory rocker for the 4 and 6 cylinder are the same. If so I don't see why they wouldn't fit.

@martinbuilt 7 лет назад

the air filter is inside the cowl.

@FPSNovaS 7 лет назад

Will those rockers work with my 4.2

@kseel6453 3 года назад

Apparently they do make them for 1983-1986 Jeep CJ 258 engines. Not sure if earlier CJ's valve covers are not tall enough for this application as there is no reason stated why they are not recommended for earlier Jeeps.

@deadspeed6679 Месяц назад

What ratio are these ?

@martinbuilt Месяц назад

1.6:1 that is the same as OEM.

@deadspeed6679 Месяц назад

@@martinbuilt what’s the difference between 1.6 and 1.7? Which are better

@moparlover1968rr 2 года назад

Did you install the 1.6 ratio version?

@martinbuilt 2 года назад

Yeah, that sounds right. Is there another because there weren't any other ratios available when I installed these?

@moparlover1968rr 2 года назад

@@martinbuilt I think that’s what all of them are with the research I’ve done so far, but I have seen some say 1.7 ratio, but I’m thinking they are wrong.

@moparlover1968rr 2 года назад

@@martinbuilt I’m sure there are no other’s, people getting confused with the Dodge 360 rollers I believe

@martinbuilt 2 года назад

@@moparlover1968rr Yeah, I think that is what it is. These are awesome rollers. Been running them for years with no issues.

@alenbegonja418 6 лет назад

Martin nice job what size rockers

@martinbuilt 6 лет назад

Alen Begonja They only come in one 1.6:1 which is stock ratio

@jorgezuni2818 5 лет назад

I thought stock would be 1.5 ratio and the 1.6 the upgrade ratio .

@0GSkywa1ker 8 лет назад

what kind of socket were you using. not size or anything just in general, i like how it can move up and down for better angles.

@martinbuilt 8 лет назад

+0GSkywa1ker I believe you are referring to the 3/8 drive ratchet wrench with the flex head. This wrench is a Craftsman brand. It is one of my favorites. Also works great as a breaker bar because it has a longer handle.

@MrGuitarguyadam 8 лет назад

martin, did removing the baffle in the valve over effect the pvc? if so, good or bad?

@joebidden4914 8 лет назад

I would like to know this too if removing the baffle allowed caused any difficulties of had any negative effects like more oil in the intake?

@joebidden4914 8 лет назад

I would like to know this too if removing the baffle allowed caused any difficulties of had any negative effects like more oil in the intake?

@martinbuilt 8 лет назад

+MrGuitarguyadam I can of wonder if I needed to do that. I think you would if you have the older aluminum valve cover. I believe the steel cover gives a little more clearance that the aluminum.

@joebidden4914 8 лет назад

awesome thank you

@billyfregiajr1961 3 года назад

How much for those

@martinbuilt 3 года назад

Harland Sharp (S40196) 1.6:1 Ratio Rocker Arm Pedestal Mount for 4.0L Jeep amzn.to/2CzZK44

@waynesanders1406 6 лет назад

You didn't leave it open to check for valve lash? You just torque'em and they're good? I just reinstalled rocker arm assemblies and they all loosened up and came apart. I have a lifter that came apart as a result.

@martinbuilt 6 лет назад

hydraulic lifters are self adjusting, no need to adjust them. Torque to 19 ft.lbs. and your done.

@waynesanders1406 6 лет назад

I have a Golen stroker that I'm in the middle of rebuilding and the rods are very tight with the feet of the rockers sitting a quarter of an inch off of their pedestals. I can tell by the feel I'll hit 19ft lbs before they land, and I just had to pull the head and lifters because the rockers were loose after running for 30 minutes, and a lifter flung apart (looks like the loose action caused the rod to knock the retaining clip outboard)

@martinbuilt 6 лет назад

Wayne Sanders You must have some really strong valve springs. I would recommend do one cylinder at a time bring to top dead center then torque that set of rockers down

@hachi-rokuperformancegroup3987 6 лет назад

Wayne Sanders never checked lash on a 4.0 never a problem. As he said they self adjust

@calypsoford9338 7 лет назад

what kind of oil pressure do you have with these arms?

@martinbuilt 7 лет назад

The same as it was. No lose or gain

@calypsoford9338 7 лет назад

martinbuilt the reason I ask. I just installed these on a rebuilt engine and at start up I have 60psi and at warm idle oil temp it goes down to 13 psi and goes up to 40 psi when gas is added.

@martinbuilt 7 лет назад

That sounds like a normal engine to me. That's how my engine acts for over 6 years that I've owned it.

@blakebailey852 4 года назад

Weird I have 38psi hot idle 45ish cruising roughly 48 cold idle Haven’t been into the Engine might have some after market part or something. Any thoughts...

@timmyl2005 3 года назад

Yes, Lots of thoughts. I have them all the time!!! But you probably have an aftermarket Oil lightening Preasure reducer installed. Sometimes people install them when they do the valve cover gasket. There just not needed. they can be hot and cold sensitive. They tend to give false Pressure readings when they are hot and cold. What is the PSI when the motor is warm? Back me up here Martin ? What color is the gasket?

@Kim_Alexander 5 лет назад

what diffrent does this upgrade makes?

@martinbuilt 5 лет назад

It places less stress on the valve guides that way there's less wear on them. Higher RPM potential. And I would imagine you gain just a few horsepower. I've been running them for years now with absolutely no issues.