here is my results from my last sonic check. it is on a '72 .060 455 over 30,000 VERY hard and abusive miles. pistons/wall clearance at about .019. who would consider this thin? i would be more then happy to have a 350 bored out to 400 bore if anyone near by has one to donate. h&)), i'll even by the block if there is one near by. by the way, wouldn't a thin walled engine run cooler do to less iron to keep the heat trapped?
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