Originally Posted by 496CHEVY3100
I am running comp 3/8 but when I ordered longer pushrods I got the .130 not the standard.80 they are much stronger,because I am running a milder cam and springs than what you are probably running ,I only have 540 lift.
You're way more lift than my engine. I'm only .518 lift. My cam is designed for 2,000-5,900 rpms. More low end power and torque.