Thread: Z11 Impala
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Old 08-20-2004, 08:30 PM
Verne_Frantz Verne_Frantz is offline
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Default Re: Z11 Impala ZO-6 CORVETTE BRAKES!! ?
Jim,
I may be wrong, but I think you have the Z-11 engine confused with the 427 Mystery Engine. The Z-11 carries the same block casting number as all the other 409 passenger production blocks in '63, but it's stroked. The heads retain exactly the same valve arrangement as the 409; they're just taller, with raised ports. (That's not to say they're common)

Verne
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