Stocker's rockers
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Registered User
Joined: Jun 2004
Posts: 379
From: Bloomingdale, IL
Re: Stocker's rockers
*sigh* same as on my 305. Guess I'll be forking out a bit of money for rockers anyways, might as well just go with 1.6s, but then that means I can't use the cheap LT4 springs. I'm looking at EX-612s, Isky 235-Ds, and Compcams 986s or whichever fits stock LT1 heads. I like the idea of beehive springs, but those are up around $200 for the Compcams sets.
Registered User
Joined: Oct 2001
Posts: 6,070
From: newton, kansas, USA
Re: Stocker's rockers
i think the cc305 is already pushing the LT4 springs to the limit with out 1.6's. I forgot what the 305 lift is but i think its probably dang close to being to much for those springs.
did the lt4 come with roller rockers??????
Thread Starter
Registered User
Joined: Jun 2004
Posts: 379
From: Bloomingdale, IL
Re: Stocker's rockers
The cam I'm using has .479/.501 lift with 1.5 rockers which means .511/.534 with 1.6 rockers. The 1.6 rockers would exceed the LT4 spring limits, but 1.5s would be okay.
It seems Proform stamped steel 1.6 roller rockers aren't too badly priced.
Also, I thought that these LT1 heads had press-in rocker studs stock, but there is a spot to put a wrench on the bottom of each of my rocker studs. Do all studs, even press-in studs, have this? Looked odd to me, I figured they were screw-in studs when I saw them and got confused.
Sorry for all of the questions, but I just got a set of LT1 heads here (complete minus rockers), and I'm trying to figure out what I'm going to replace, etc. etc.
It seems Proform stamped steel 1.6 roller rockers aren't too badly priced.
Also, I thought that these LT1 heads had press-in rocker studs stock, but there is a spot to put a wrench on the bottom of each of my rocker studs. Do all studs, even press-in studs, have this? Looked odd to me, I figured they were screw-in studs when I saw them and got confused.
Sorry for all of the questions, but I just got a set of LT1 heads here (complete minus rockers), and I'm trying to figure out what I'm going to replace, etc. etc.
Registered User
Joined: Jul 2003
Posts: 2,945
From: Fort Benning, GA
Re: Stocker's rockers
I've got a complete set of rockers/rocker studs off a stock LT1 that are in fine shape. They can be yours for $20 including shipping. LMK
Edit: I'd also consider the 612 spring kit. Affordable, strong, and gives you room to grow.
Edit: I'd also consider the 612 spring kit. Affordable, strong, and gives you room to grow.
Last edited by Spinner; Sep 30, 2004 at 02:30 AM.
Registered User
Joined: Feb 2004
Posts: 310
From: Evansville
Re: Stocker's rockers
Ex 612 is a very common spring when upgrading to a cam and one sixes www.cmotorsports.com or there # is 1-702-798-8504
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