The cam i run is a solid lift part# 861201 crane cams the piston are a forged trw 13/1 fly cut to 10and half to 1 for nos the head are realy speical there newer 401 head running all big block Chevy parts had the positive lock rocker bosses milled off and put studs in there place make them totaly adjustable stainless valve for unleaded fuel the cam make good low end and massive top end it streetable and i run at the tracks all this combo is in a little 220 65 rambler i grew up on AMC im 42 i started when i could turn a wrench that all my dad owned so if there is any info i can help you with i will try i did run a 290 in that car but now have a 401 my dad has a 69 AMX 290 car