Luckilly I work on alot of different cars and see different problems. Would still prefer the Morels over Comp R's though. 
Comp r lifters = JUNK...
Thread Starter
Joined: Nov 2001
Posts: 7,303
Likes: 4
From: Delray Beach, Fl.
Comp r lifters = JUNK... I know some of u had good luck with them but we sure didnt..Killed 2 of them in Steve's LT1 car and we had them adj. correctly.They would not take 7000 rpm too kindly..
Good thing is the shortblock isnt hurt...
180 psi in all holes and only 3% leakdown so that good news..
Engine it apart and waiting for the cam to come from Comp.
We also went with the Crane Solid Rollers for the LT1,nice piece...
We went with a small solid roller but a little bigger than the old hyd roller
Specs are (244-250 585-591)
Lorenzo from fast flow is finishing up the Victor Jr as I write this post and will be getting it back from him by next wed....Cam,gaskets will be here by wed too as will the new lifters...
Next Sat. the engine is getting put back together and within 2 weeks its getting retuned and hit with nitrous....
Car will be at Atco the 1st week it opens up....
Good thing is the shortblock isnt hurt...
180 psi in all holes and only 3% leakdown so that good news..
Engine it apart and waiting for the cam to come from Comp.
We also went with the Crane Solid Rollers for the LT1,nice piece...
We went with a small solid roller but a little bigger than the old hyd roller
Specs are (244-250 585-591)
Lorenzo from fast flow is finishing up the Victor Jr as I write this post and will be getting it back from him by next wed....Cam,gaskets will be here by wed too as will the new lifters...
Next Sat. the engine is getting put back together and within 2 weeks its getting retuned and hit with nitrous....
Car will be at Atco the 1st week it opens up....
Last edited by JS; Jan 10, 2008 at 04:26 PM.
Trending Topics
yeah i agree that turbo 408 car i just built has morels... as soon as i started the car up i could hear the lifter was dead..... so i had to take it back apart and replace it.... and its not like i can really make the customer pay for that either... it sucked...
LS1 Tech Stories
The Best V8 Stories One Small Block at Time
6 Common C5 Corvette Failures and What's Involved In Repairing Them
Pouria Savadkouei
Retro Modern Bandit Pontiac Trans AM Comes With Burt Reynolds' Autograph
Verdad Gallardo
Top 10 Greatest Cadillac V Series Performance Models Ever, Ranked
Pouria Savadkouei
Top 10 Most Powerful Chevy Trucks Ever Made!
Hennessey's New Supercharged Silverado ZR2 Has 700 HP
Verdad Gallardo
Coachbuilt N2A Anteros Is an LS2-Powered C6 Corvette In Italian Clothes
Verdad Gallardo
Awesome K5 Blazer Restomod Comes With C7 Corvette Power
Verdad Gallardo
10 Camaros You Should Never Buy
10 LS Engine Myths That Refuse to Die
Verdad Gallardo
10 second playa
Joined: Dec 2004
Posts: 1,225
Likes: 0
So let me get this right....
Are you guys saying that the Old Comp-R's are good and the new ones are junk?
Shouldn't it be the other way around...in other words they were junk but now they have fixed the problems?
If what you are saying is true, what is the best Hyd. Roller lifter to get?
How are the GM Racing lifters used in the CTSV-R road race car?
Thanks
I never heard this before?
So let me get this right....
Are you guys saying that the Old Comp-R's are good and the new ones are junk?
Shouldn't it be the other way around...in other words they were junk but now they have fixed the problems?
If what you are saying is true, what is the best Hyd. Roller lifter to get?
How are the GM Racing lifters used in the CTSV-R road race car?
Thanks
So let me get this right....
Are you guys saying that the Old Comp-R's are good and the new ones are junk?
Shouldn't it be the other way around...in other words they were junk but now they have fixed the problems?
If what you are saying is true, what is the best Hyd. Roller lifter to get?
How are the GM Racing lifters used in the CTSV-R road race car?
Thanks
BUt that that time Comp had already ceased production on that lifter and was in process of finding a new manufacture where I couldnt even buy a set of the old one with out doing some heavy searching. I was running a VERY mild hotcam (emission reasons) and standard replacements worked quite fine.
Here is a timeline for you from what I had researched back 5 yrs ago....
Pre-2003 Comp R's = Good
2004-2006 Comp R's = Junk
As for any revisements, I havent researched it, I havent ran a LT1 getting close to 2 years.
At the time I put a custom Bret Baur cam in where him and Lloyd recommended the Morels and they had worked fine.
The NEWER LSX lifters had not been avalible but it seems they they are the new rage, they can handle alot of spring pressure and are cheaper then Morels (500+).
What I am saying is you should do some research in the LT1 forum here or over on cz28.com for the caddy lifters.
10 second playa
Joined: Dec 2004
Posts: 1,225
Likes: 0
That is a good idea.
I am still running my stock lifters and am just waiting for them to fail.
My limiter is set at 6800 rpm. (I shift my 4L60-E at 6,500)
So those will probably be fine for me.
My lift is no where near .650 either.
I have an LS1 car.
Is this post about LS1 roller lifters or LT1 rollers?
(JS referred to LT1 several times now?)
Thanks
