Quote:
Originally Posted by JRyan
Just wondering if anyone has the old NHRA cam and spring specs for a 68 GTO 400/350 4 speed. I bought one to restore and thought it would be fun to build it around the old stocker specs.
Rick Ryan
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You can check on NHRA that has all the cam spec in the Engine section.
Pontiac did not use a lot of lift on their cams, mostly in the .401 to .421 range.
Even the RA4 was only something like .475