302 30/30 valve adjustment - Team Camaro Tech
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post #1 of 1 (permalink) Old Oct 18th, 18, 01:13 PM Thread Starter
Join Date: Sep 2018
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302 30/30 valve adjustment

Hello everyone,
For my first post on this forum I would like to ask about adjusting the valve lash on my 68 302. I have rebuilt the engine and now have it back in the car and running. While the engine was still on the engine stand I adjusted the valves using the John Hinckley and Duke Williams method which you can find on the CRG Research Group website. (start on TDC and turn the engine 90 degrees 7 times adjusting 2 valves at each 90 degree position at .027). Now that the engine is running and somewhat broke in (there are a couple valves that are a little noisy) I am going to adjust the valves again. The cam I installed is the Federal Mogul Speed Pro 30/30 grind part # 53059 12002 and the rocker arms I used are the Comp Cam 1.5 ratio roller tip stamped steel rockers.

Here is my question......Is the Speed Pro 30/30 cam Identical to the original cam where this adjustment method would still work, and are the Comp Cam rockers different in some way that this adjustment method would still work? I think the method is fine but would it change the .027 clearance?
Thanks in advance to everyone who replies.
68z28bob is offline  
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