440 crank

It's complicated because some mass is rotating, and some is reciprocating, so they have different values. The large and small ends of the rod must be weighed separately, using a fixture and you need a bearing and ring pack mass. Locks are mostly about 4gms.

Bobweight Calculator - Performance Engine Tech

Engine Balancing, Part 5 | Eaton Balancing

I try to contour the CW's and throws with shedding oil in mind. I'm not sure how effective it is, but it seems to be more prevalent in the circle track and road race stuff where you have accel and decel cycles. Drag race is basically just a single cycle load test. S/F....Ken M