I could use this new ( to me) crank in the megablock i have. I would need to find a set of 2.375 rod bearing h beams 6.80 long. 572 cubes, would use the pistons and rings that were 8n the first 550 (megablock) motor. Or i could grind the crank to 4.625 with 2.2 bearings and have a 588.

Last edited by gregsdart; 06/12/22 05:02 PM.
8..603 156 mph best, 2905 lbs 549, indy 572-13, alky