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Old 10-07-2021, 01:27 AM   #30
Stan Weiss
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Default Re: Stick Racers !!!

Did you ever see this thread?


"Old School" Stocker Cams

http://classracer.com/classforum/showthread.php?t=75027

Quote:
Originally Posted by Stan Weiss View Post
I dug up some old data. This is the lifter raise for a Lunati sticker cam for a 302 Z28 from the mid '70s.Let me add that by the time I got to check the cam it was used.

Stan
A few things were done by Lunati. NHRA checked lobe lift. The Chevy cam used a valve lash of 0.030" By reducing the lash ramp height they were able to add both duration and lift. Also if you look at my original post you will also see a picture and how dwell was added at max lift.


Stan

Last edited by Stan Weiss; 10-07-2021 at 01:35 AM.
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