Dedicated to the Promotion and Preservation of American Muscle Cars, Dealer built Supercars and COPO cars. |
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#1
01-30-2006, 07:24 AM
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why the m21s
got a question i been wanting to ask since i got my ZL1 back in 76, why were the m21s used instead of the m22s in most of the ZL1s? even seems like most hp cars that i see and read about have m21s,is it a cost factor or HP or?
Eddie
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69 ZL1 Camaro 70 Nova 
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