Dedicated to the Promotion and Preservation of American Muscle Cars, Dealer built Supercars and COPO cars. |
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L72, the GM printout on my Camaro lists the ZN1 as dual exhaust and ZW1 as an M-22 transmission, but it also lists the M-22 as a seperate option. I am curious as to why it is listed twice with different codes. Wes
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