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Old 12-22-2014   #4
mike100
 
Join Date: Feb 2011
Location: San Marcos CA
Posts: 1,786
Default Re: How much variation in factory cam timing adjustment?

Quote:
Originally Posted by Scrrem View Post
I just had the cams timed on my new motor and the first step is to pin the motor as they do at the factory to set the timing. We then set up the degree wheel and a dial indicator and the drivers side intake cam was retarded almost 7 degrees!! The other three cams were not as bad, only 2-3 degrees out. I can kind of see why GM is resisting releasing any dyno sheets if the #'s can vary this much.
Rich
Did you ever drive that engine in a car first or did you buy the engine separately? Wanted to know what your before and after was either on a dyno or seat-of-the-pants wise.
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