[Shockwave78]

Originally Posted by 78w72

Agree with making the rockers adjustable, ideal way is to get BBC 7/16 studs... but for a smaller cam like that you can just buy some SBC crimped locking nuts and set them according to the sbc procedure in most manuals or do the individual lobe on base circle procedure. doing this will be much less cost & is a quick easy way to go to adjustable to see if the stock 20lb/ft setting is the problem. the final adjustment is based on the lifters used, some want 1/2-1 full turn after zero lash but some want 1/4 turn, follow what the lifter manufacturer says to use.

I have a comp xe268 cam in my 78 w72 that runs excellent for 13+ years using the stock rocker studs & crimped nuts, has more lift than yours at .477.

Thanks, ill give the crimped nuts a shot