Originally Posted by chrism400

At our hp and rpm levels, I agree. The 5.7 rod usually comes externally balanced because the counterweights will hit the skirts if they are made bigger. The 6 inch rod uses a shorter piston so there is room for a longer counterweight and can be balanced internally without the use of Mallory metal.

Originally Posted by 1racerdude

At ANY HP level There is NO difference in rod length on performance.

Originally Posted by chrism400

Oh Geez.