Originally Posted by 64hemi330sedan
I try to not run more than twelve. my engine builder is worried that it might pull oil away from the piston pins and rings.

I learn a long time ago on wrist pin clearance a tiny bit to tight is no good, IE .0010 clearance or less on any stock BB Mopar wrist pin is to tight tsk
On my motors using BB type Chevy rods with .990 wrist pin size I ask the machine shop to make sure they have .0010+ clearances up I base this on .0010 oil clearances for each inch in diameter on any rotating wear surfaces in our motors work up

Mr.Cab Racing and winning with Mopars since 1964. (Old F--t, Huh)