Changing gear ratios in a CORVETTE MN12
09-19-2005, 08:40 PM
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Changing gear ratios in a CORVETTE MN12 Anyone have any idea on how much parts and labor would be if this were added on to building the tranny to hold more power?
Also, what do you think about changing 4th and 6th gears ratios(while keeping the stock 3.42 axle ratio, and shifting at the stock 6500RPM rev limiter) to:
1st - 2.97 (Stock, starts at 0RPM obviously
)
2nd - 2.07 (Stock,starts at 4600RPM)
3rd - 1.43 (Stock, starts at ~4450RPM)
4th - 1.10 (from stock 1.00 gearing, starts at 5000RPM instead of ~4550RPM)
5th - 0.84 (Stock, starts at 5000RPM)
6th - 0.72 (from stock 0.56 gearing, starts at ~5550RPM instead of 4300)
Let me know if I am completely off on how the powerband should best be used by these cars. Also, would it work better if a large cam was added (spinning to, say, 7200ish RPMs)?
And I know it'd be cheaper just to buy a new rear differential, but I think this would be a pretty neat, and different, way of keeping your car in the powerband.
Also, what do you think about changing 4th and 6th gears ratios(while keeping the stock 3.42 axle ratio, and shifting at the stock 6500RPM rev limiter) to:
1st - 2.97 (Stock, starts at 0RPM obviously
)2nd - 2.07 (Stock,starts at 4600RPM)
3rd - 1.43 (Stock, starts at ~4450RPM)
4th - 1.10 (from stock 1.00 gearing, starts at 5000RPM instead of ~4550RPM)
5th - 0.84 (Stock, starts at 5000RPM)
6th - 0.72 (from stock 0.56 gearing, starts at ~5550RPM instead of 4300)
Let me know if I am completely off on how the powerband should best be used by these cars. Also, would it work better if a large cam was added (spinning to, say, 7200ish RPMs)?
And I know it'd be cheaper just to buy a new rear differential, but I think this would be a pretty neat, and different, way of keeping your car in the powerband.
