I don't recall. What ever the maximum bore was of a race r-block, light small Chevy rods, with light pins, Honda rod journals, hockey puck pistons, billet crank with 4.25 stroke (at least, may have been more). Dry sump.
If memory serves, it kicked a rod out. Chevy part.[/QUOTE
Ron Silva. 501 inch motor. Ryan I believe helped him with it. Ran 9.9’s in street trim not leaning on it. Forget what happened with it
