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omg i am not running anywhere near as much cam as you guys on this build. I have a .509" purple with 1.6 rockers .543" in total. i guess I should just stop over thinking things and run it



With a .543 you have plenty of room.I used to run these pistons(lighten)and the Speed Pro exact specs.Just make sure you have good rod bolts.

"To Be The Man'You Have Got To Beat The Man" "T/D and Pro-Bracket Racer"