If I can get away with it, (Yes I will mic the holes) I want to just re-ring my '74 318. It will be strictly a street car with a mild .478(?) cam (sorry, don't have the specs handy but it probably will be one of Comp's kits), duals through magnum exhaust, a Carter 600 cfm AVS over a stock intake, 904 in front of a 8 3/4 rear with (depending on what I can find and afford), 3.31 or 3.55 gears. I'm looking at Mancinni's engine rebuild kits and my question is this: Do I want cast or moly rings? I thought I read one is better than the other depending on if its a re-ring or full re-bore, but can't find a definitive answer. Of course, if the mic says so I will buy pistons too but I'm hoping to get away as cheaply as possible without worrying about having to do it again next year Also, Mancinni offers two brands of kits; Clevite and Sealed Power. SP is a little higher price. Is it worth the extra couple dollars over the Clevite products?

Thanks,
Scott