Higher value 69 Chevelle COPO 427 or L-78/L89?

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Higher value 69 Chevelle COPO 427 or L-78/L89?

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#11

01-07-2002, 09:34 AM

JoeC

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Re: Higher value 69 Chevelle COPO 427 or L-78/L89?

The 1969 L78 and the L72 were very similar engines and shared many parts. From memory I believe the crank, cam, 840 heads, Holley, dist, intake and exhaust manifolds were the same part numbers. The L72 just had 31 more cu in. Chevy originally rated it at 450hp then reduced it to 425hp with no modifications.

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