which rockers are best
You can use 1.6 rockers as said before, you need them for 3/8 studs, unless you plan to upgrade to 7/16th.
Really a good idea to change the springs out. the lt4 springs will work well and can be had for under 50 bucks.
If you get a self aligning rocker, you can bolt it on and go. It will be a little loud ticking though.
A better design is non self aligning. These require hardened pushrods and guideplates, but are a better design and quiter.
Really a good idea to change the springs out. the lt4 springs will work well and can be had for under 50 bucks.
If you get a self aligning rocker, you can bolt it on and go. It will be a little loud ticking though.
A better design is non self aligning. These require hardened pushrods and guideplates, but are a better design and quiter.
Originally Posted by atljar
You can use 1.6 rockers as said before, you need them for 3/8 studs, unless you plan to upgrade to 7/16th.
Really a good idea to change the springs out. the lt4 springs will work well and can be had for under 50 bucks.
If you get a self aligning rocker, you can bolt it on and go. It will be a little loud ticking though.
A better design is non self aligning. These require hardened pushrods and guideplates, but are a better design and quiter.
Really a good idea to change the springs out. the lt4 springs will work well and can be had for under 50 bucks.
If you get a self aligning rocker, you can bolt it on and go. It will be a little loud ticking though.
A better design is non self aligning. These require hardened pushrods and guideplates, but are a better design and quiter.
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Originally Posted by Bandit 1
but they fit under stock valve covers and are self aligning so thy are my reccomendation.
I have over 40K on a set of ProForms 1.5 SA, the last 28K of which with a ZZ3 cam and appropriate springs. Quiet as can be even been told she sounds stock by guys that know what is under the hood.
Thread Starter
Teching In
Joined: Jan 2005
Posts: 36
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From: baltimore,md
When switching to roller rockers on an LT1, are they bolt on or is there some adjustment? I'd also like to know, can you change the camshaft with the engine in the car on a 1996 camaro?
All the SA cars ive heard are crane rockers (or the lt4s, same thing). Not sure on oil choices on all of them, but one for sure is Mobile 1.
My car has the NSA Pro Mags, and they are deadly silent. As said above, you can modify the valve cover in about 5 min max with a pair of pliars to clear the rockers. Steel is a much better alternative to any aluminum bodied rocker though IMO.
The rockers require no adjustment after you first do them either SA or NSA. You find zero lash, add your preload (depends on lifter you are using) and then tighten down the jam nut and forget about it.
SA rockers keep themselves centered by the roller tip. It has a groove on it which follows the valve tip. However there is a little play there and they can wobble back and forth making the clacking noise.
NSA use pushrod guideplates to keep them straight.
My car has the NSA Pro Mags, and they are deadly silent. As said above, you can modify the valve cover in about 5 min max with a pair of pliars to clear the rockers. Steel is a much better alternative to any aluminum bodied rocker though IMO.
The rockers require no adjustment after you first do them either SA or NSA. You find zero lash, add your preload (depends on lifter you are using) and then tighten down the jam nut and forget about it.
SA rockers keep themselves centered by the roller tip. It has a groove on it which follows the valve tip. However there is a little play there and they can wobble back and forth making the clacking noise.
NSA use pushrod guideplates to keep them straight.
Many LT1 owners like 5w-30 M1 and as I am sure you have seen me type before that is not a good oil for the LT1 and that is likely a big part of why roler rockers get a bad rap for being too niosy. The 5w-30 M1 and 10w-30 M1 are just barely 30wt. and are very close to being 20wt. The LT1 prefers a high 30wt. or low 40wt. to find out more on oils and exaxtly where each one falls in the range defined as 30wt, 40wt. etc. try http://theoildrop.server101.com/cgi/ultimatebb.cgi