MN6 vs M12 - Pontiac GTO Forum
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post #1 of 3 (permalink) Old 03-02-2006, 09:48 PM Thread Starter
 
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MN6 vs M12

I am looking for info into which GM cars came with MN6 vs M12 6 speeds. I will reveal the reason for my question after I get a few answers.

I can't find a complete list anywhere on-line.

Thanks in advance.
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post #2 of 3 (permalink) Old 03-03-2006, 02:52 PM
 
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Quote:
Originally Posted by NurkVinny
I am looking for info into which GM cars came with MN6 vs M12 6 speeds. I will reveal the reason for my question after I get a few answers.

I can't find a complete list anywhere on-line.

Thanks in advance.
This is not a comprehensive answer, but I know the 01-04 Corvette Z06 came with the M12 and the 97-04 C5 Coupes and Convertibles came with the MN6. Only difference between them is the gear ratios.
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post #3 of 3 (permalink) Old 03-03-2006, 06:11 PM
 
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The GTO and all C6's have the M12. The F-Bodies have the MN6. The MN6 was not rated to handle same HP as the M12, in addition to the gear ratio changes. I believe there were difference in the internals, but I'm not sure what.
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