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The 97-2004 (Manual) Corvette came with the M-6 six speed manual transmission. The 2001-2004 Corvette Z06, came with the M-12 6 speed manual transmission. The Z06, and Gto came with the m12 transmission that had a lower gear ratio, but also a lower top end speed.
 

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C5ORGTO said:
The 97-2004 (Manual) Corvette came with the M-6 six speed manual transmission. The 2001-2004 Corvette Z06, came with the M-12 6 speed manual transmission. The Z06, and Gto came with the m12 transmission that had a lower gear ratio, but also a lower top end speed.
:agree

Commonly misunderstood designation.

Gear ratios of 01-04 Corvette Z06 gear ratios with the M12:
1st Gear 2.97
2nd Gear 2.07
3rd Gear 1.43
4th Gear 1.00
5th Gear 0.84
6th Gear 0.56
Reverse 3.28
Final drive 3.42

Gear ratios of 97-04 Corvette C5 Coupe with M6:
1st Gear 2.66
2nd Gear 1.78
3rd Gear 1.30
4th Gear 1.00
5th Gear 0.74
6th Gear 0.50
Reverse 2.90
Final drive 3.42

:cheers
 
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