Originally Posted By Skeptic
Does anybody KNOW what they mean by "small bore" and "big bore"?


Maybe 4.320" and 4.5" bores . At least in the RB

Tex

Last edited by tex013; 07/23/16 02:56 AM.
New best ET 10.259@129.65 .
New best MPH 130.32
Finally fitted a solid cam,
stepped it up a bit more
3690lbs through the mufflers
New World block 3780lbs 10.278@130.80 . Wowser 10.253@130.24 footbraking from 1500rpm
Power by Tex's Automotive