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Last night I spoke to a buddy of mine that builds engines for some circle track folks including an ARCA car and several Super Late Models on what oil they run in their engines... He stated that one guy that runs a Super Late Model has tried Royal Purple XPR, Gibbs, Redline and Amsoil. He said...

Thanks for the replies fellas... I too was concerned with the piston to wall clearances... The pistons are 2618 forgings and are custom units from Diamond. The bore was actually done first and that is the clearance Diamond specified and made the pistons for... Running the engine as cold as I...

hey all... I have a small block Ford set up for drag racing and am looking for suggestions for what oil to run... I would prefer to stay away from $15/qt Royal Purple, $20/qt Mobil1 Racing, etc... The engine has a wet sump oiling system and takes 10 quarts per oil change. The engine is set up...

I currently drag race a small block Ford with a solid lifter flat tappet cam. The engine turns ~8400 rpm going through the traps... With all of the talk regarding flat tappet cam failure due to reduced zinc and other additives in todays oils I am concerned about the life of my valvetrain. I...