piston to deck clearance
i have an early 70s 302 motor at home and it has original factory pistons in it. i measured the deck height and it ranged from .031"- .036". the motor im building is a 302 and the pistons im ordering are keith black hyper pistons. they list all their 302 pistons to have a compression height of 1.608". to figure my approx deck clearance i use this formula. half stroke- 1.5" + rod length- 5.090" + 1.608"= 8.198". 302 deck height for C8OE is 8.206". subtract 8.198 from 8.206 and i get .008" deck clearance. is this gonna be right for the motor im building or did i miss something? the block has never been decked. is it the fact that 302s from the factory ran shorter compression heights than the aftermarket of today?
\'68 mustang coupe. 302 in process, factory rods w/arp bolts, factory crank, KB hyper .200 dome pistons, D0OE 351w heads heavily ported 1.84/1.55 valves, 9 3/4:1 SCR, 234/244 dur at .050\" 292/302 adv dur .520\"/.544 lift. holley 750 dp on top a weiand xcele