QUESTION ABOUT ROLLER ROCKERS
Thread Starter
Burning Brakes
Joined: Feb 2003
Posts: 1,144
Likes: 18
From: Panhandle FL
QUESTION ABOUT ROLLER ROCKERS
Need some advice about 1:6 roller rockers.I have a 92 LT1 and I would like to put RR on but it has guide plates.I was told not to use self aligning rockers if you have guide plates.That rules out the Crane LT4 RR,has anybody used cheaper models with good results.(energizer,proform,ect) :rolleyes:
Burning Brakes
Joined: Aug 2000
Posts: 984
Likes: 1
From: Cincinnati OH
Re: QUESTION ABOUT ROLLER ROCKERS (SPEED750)
...I have a 92 LT1 and I would like to put RR on but it has guide plates...
Race Director
Joined: Feb 2003
Posts: 11,672
Likes: 20
From: Lake Wylie SC
Re: QUESTION ABOUT ROLLER ROCKERS (SPEED750)
I have a 92 LT-1 and I installed the Crane self-aligning-narrow body 1.5 ratio aluminum rocker arm set Part # 10751-16 and hardened pushrods Part # 10621-16. The only thing you have to do that , if you want to keep the original valve covers, is grind off the oil drip tangs on the inside of the covers. This makes room for the rocker arms. The engine runs much better. I installed them just for reduced friction in the valve train.
SEE YA
Strick
SEE YA
Strick
Racer
Joined: Nov 2002
Posts: 427
Likes: 0
From: Stillwater OK, Fun City USA
Re: QUESTION ABOUT ROLLER ROCKERS (Vince Ivanc)
When I first read this post it scared the crap out of me! I just finished this particular exercise on my L98, I didn't even think twice about the faux guide plates. I just went out in the garage and looked at the stock stamped rockers that came off the car, sure enough, they are self aligning.
I guess I am OK, stamped self aligning came off, roller self aligning went back on.
I guess I am OK, stamped self aligning came off, roller self aligning went back on.
Team Owner
Joined: Dec 2000
Posts: 90,675
Likes: 304
From: SE NY
Cruise-In II Veteran
Re: QUESTION ABOUT ROLLER ROCKERS (Fatt Vette)
I believe you are correct since the OEM guide plates were only used for rough indexing of the pushrods during assembly.
I recommend installing new machined keepers to minimize the chance of a dropped valve.
For those with a late L98, toss the oil shedders atop the springs to lighten the valve train and so raise the valve float limit.
I recommend installing new machined keepers to minimize the chance of a dropped valve.
For those with a late L98, toss the oil shedders atop the springs to lighten the valve train and so raise the valve float limit.
Instructor
Joined: Nov 1999
Posts: 134
Likes: 0
From: Huntsville ,AL US
Re: QUESTION ABOUT ROLLER ROCKERS (SPEED750)
HMMM!!! mine did not have guide plates..I am running crane 1.6s self aligning with no problems..... If you up the ratio you will need to change the springs our ...crane part# 10308
Burning Brakes
Joined: Aug 2000
Posts: 984
Likes: 1
From: Cincinnati OH
Re: QUESTION ABOUT ROLLER ROCKERS (ANUTT)
If you up the ratio you will need to change the springs our ...crane part# 10308
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Drifting
Joined: Jul 2002
Posts: 1,273
Likes: 0
From: Olathe, KS USA
Re: QUESTION ABOUT ROLLER ROCKERS (SPEED750)
I was told by Comp Cams tech could'nt use 1.6 RR with my stock cam
(piston to valve clearence). I was all ready to slap those bad boys on,
but now I'am not sure. I knew about the valve cover tabs & springs but I was'nt ready to hear that. :crazy: Well just set back awile and do some more research. :seeya
(piston to valve clearence). I was all ready to slap those bad boys on,
but now I'am not sure. I knew about the valve cover tabs & springs but I was'nt ready to hear that. :crazy: Well just set back awile and do some more research. :seeya
Burning Brakes
Joined: Aug 2000
Posts: 984
Likes: 1
From: Cincinnati OH
Re: QUESTION ABOUT ROLLER ROCKERS (C4Crazy787)
:skep:
Coil bind may be an issue with the stock springs, but piston to valve clearance is not going to be a problem on a stock LT1 with 1.6's.
Coil bind may be an issue with the stock springs, but piston to valve clearance is not going to be a problem on a stock LT1 with 1.6's.
Drifting
Joined: Jul 2002
Posts: 1,273
Likes: 0
From: Olathe, KS USA
Re: QUESTION ABOUT ROLLER ROCKERS (SPEED750)
Yea, :skep: is right . I got a post into Jeff Kopp on his fourm, I will find out what's up, then just buy the GM RRs from him. That Comp. guy messed up
I was ready to order the Pro Mags, oh well. :seeya
I was ready to order the Pro Mags, oh well. :seeya