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Technical Discuss different strategies and theories of the racing aspect.
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Old 04-13-2006, 11:28 PM   #1
RSR03
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383 Chevy

I am building a 383 Chevy. I have built 355's and this is my first 383. I didnot know much about core shift in blocks and found out the one I have has core shift. I finaly got the rods to clear the block but the cam has only about .006 clearance. I bought an Eagle internaly balanced rotating assy. and the rods are clearanced up to a .600 lift cam. The block has already had the mains checked and corrected I thought. Thats what the guy said when I bought it. I can tell because someone had a hone on the mains, but that doesn't mean it was done right. With .006 clearance I have now, will a small base circle cam solve my problem or is it possible to take the block back in to have the mains realigned ? The year of the block is 1972 and it is an 010 block.

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Old 08-10-2006, 06:03 PM   #2
Rebel Racing 3
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Re: 383 Chevy

Was the block line honed?
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Old 07-10-2008, 02:25 AM   #3
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Exclamation Re: 383 Chevy

.004 is pushing the clearance on a 383. good clearance is between .002 and .003. I say try honing again. good luck
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