Jeff Boone's 1969 Chevrolet Impala SS 427 Conv. 425 H.P

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Jeff Boone's 1969 Chevrolet Impala SS 427 Conv. 425 H.P

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#11

06-15-2019, 12:52 AM

bergy

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Join Date: Feb 2005

Location: Pennsylvania, Florida

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All big blocks were cast on molding line 1 at Tonawanda. All small blocks were cast on line 2. The "conv" and "HiPo" wording on the housing cores had no significance by the late 60s.

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