#6223 BB, forged crank question - The Supercar Registry

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#6223 BB, forged crank question

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05-01-2006, 02:45 AM

jerry j jerry j is offline

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Re: #6223 BB, forged crank question

All BBC # 7114 cranks were crossdrilled & tufftrided from the factory & only installed in original L/88 & ZL/1 427 engines.All GM BBC #6223 cranks that were factory crossdrilled are tufftrided, whether 396 or 427, they came in SPEC HI PERF solid lifter engines only from the factory.
Hope this helps.
Jerry

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