Papp bottom copy 572cid 10.5 to 1 pump gas and alot of credit goes to the old man E.O.Morris he be the jet pump king here.We tried a few things and he told me we got to do the bottom and we did whole different boat runs now,boat was to wet and he was right on that fixed all my crap ran 101mph last year with out NOS got it loaded on kill for this coming weekend.And by the way no else does this but we even speedcoated the bowl.Not that it helped but what the hell.
Badboat1