bobsbest505
06-04-2019, 02:18 PM
I doing a 505 cid Big Block Chevy. My plan is to use the Speed Pro hypereutectic pistons. The engine will have pistons that are 4.350 bore with the 4.250 stroke crank. The rods are 6.535 long. My question/concern is....just how many rpm's will the pistons take?