340 Crankshaft balancing.

Stroker time! LOL
was just going to post that

If the block needs bored

stroker kit- lighter pistons, better rods and rod bolts, crank ready to go.

some weights to compare

743.4 (70) piston, no pin
721.5 (73) lighter if cleaned up, remove carbon,no pin
474.5 (2014) stroker, no pin (pin is .924 dia)