[5525scuffy]

i am trying to find the original specs for a 71-72, 454 ls-5 engine. i have a mystery cam (out of the ls-5 engine) with a grind or part number on the end, but it does not show up. does anyone have any numbers or specs? the number looks like: 6636
thanks, team chevelle!

 

[mr 4 speed]

GM part# is 3883986 or 3904359 for the LS5/L34 cam it's .461/.481 lift 214/218 @ .050