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Old 10-25-2007, 12:32 AM
jimfulco jimfulco is offline
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My Chevy parts book lists the same crank for 307 & 327 engines in the years that they offered both, which would lead me to believe there's no balance issue, as far as stock engines go. I weighed a 307 piston on a post office scale a few years ago, and it was only a few grams off from what KB claimed for their alleged stock-replacement-type 327 flat-top.

But like he said, if you already have a crank, it would be better to have it ground locally, probably for less money, and you'd avoid shipping charges for a 50# chunk of iron that even a rookie UPS dude could destroy in the blink of an eye.
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