Dedicated to the Promotion and Preservation of American Muscle Cars, Dealer built Supercars and COPO cars. |
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#7
12-03-2005, 05:49 AM
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Re: 427 Rebuild
The L-89's all had closed chamber and L-88 vetts had closed chamber till around serial # 21,000-22,000 of the 69 model year. Then they went to the open design.
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