Their was rods and pistons failed in the wrist pin area. from what I was told.when you start pushing it over 625 hp.Mahle pistons guys also said their was problems. As for going to a Callies crank or stock crank . On a stock crank you would have to drill out the crank so much to add weights it would make it weaker for the heaver rods.
Last edited by DB Z28; 07-17-2007 at 10:04 AM.
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