LA rod bore size...

I once as' this myself........

http://www.forabodiesonly.com/mopar/showthread.php?t=264700

A quote from "How to Hot Rod Smallblock Mopar Engines" by Larry Shepard.

"The big ends ID (inside diameter) should be between 2.2500 in. and 2.2505 in. For high RPM use, it's recommended that the big end be sized two-tenths undersize or 2.2498 in."