Im a dirt tracker, I race the basic bomber cruiser class, suppose to be stock stuff, but after running a few races ive come to the conclusion there must be tricks to making HP cause these cars fly to be stock lol.....so im looking for tricks and mods to do to chevy 350.......regulation.......4 brow pistons, cast intake, cast stock manifolds, quadjet carb, open chamber heads, 18 pounds vacuum......the basic stuff, I hear that there is ways to lighten the rotating assembly to make quicker motor? anyone know how this is done?

ive heard so much stuff.....bout coating parts, running motor loose stuff like that any info to help gain a edge I appreciate it if anyone knows this kind of stuff.....thks DT