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backyard71nova 10-23-2007 08:45 PM

low cost crankshaft?
northern auto parts just released that they have 307-327 cranks for 129.00 bucks!35 dollar core.i talked to the dude and he said that the journals were turned 10-20-and no more than 30. is this a bad deal? it comes with rod and main bearings.

backyard71nova 10-24-2007 03:17 AM

thanks man!

jimfulco 10-24-2007 11:32 PM

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.

6426yy 10-25-2007 07:25 AM

Just an FYI my local machine shop chargers $85 to turn a crank. Rods and Mains. But they can't balance anything. There's a pretty established speed shop about an hour from me and I hope to have my rotating assembly ballanced this spring.

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