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FRC transmission gear ratios

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Old 04-05-2011, 06:53 PM
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mundo
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Default FRC transmission gear ratios

Are the gear ratios for the 1999 FRC different than the standard 6 speed gear ratios?
Old 04-05-2011, 07:10 PM
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k24556
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Default gear ratios

i don't think so, but if you go to the archive section of this site, you will find some pretty comprehensive info for the 1999 and your answer should be there:

http://www.gmheritagecenter.com/
Old 04-05-2011, 07:16 PM
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TorchRedRocket
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The only different gear ratios between manual C5's are on Z06's. Z06's have closer gearing in 1st-4th.
Old 04-05-2011, 07:32 PM
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ajg1915
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Originally Posted by TorchRedRocket
The only different gear ratios between manual C5's are on Z06's. Z06's have closer gearing in 1st-4th.
Old 04-05-2011, 08:58 PM
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Here's a thread that explains it pretty well.

http://forums.corvetteforum.com/c5-t...ar-ratios.html
Old 04-05-2011, 09:34 PM
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Originally Posted by TorchRedRocket
The only different gear ratios between manual C5's are on Z06's. Z06's have closer gearing in 1st-4th.

The Z06 has the M12 and the others are a MM6 code. There are some differences in the 5th and 6th gears also.

I found this information from the Corvette Action Center web site.

.....1999.......1999...............2001
.....FRC....Coupe/Convert......Z06
.....MM6........MM6...............M12
1st 2.66........2.66...............2.97
2nd 1.78........1.78...............2.07
3rd 1.30........1.30...............1.43
4th 1.00........1.00...............1.00
5th 0.74........0.74...............0.84
6th 0.50........0.50...............0.56
Rev 2.90........1.91...............3.28

I don't why the 99 coupe/convert has a different reverse ratio than the FRC but that is what it said. In 2001 it shows the standard to be the same as the 99 FRC.

You can check other years there too. They have a lot of good information.

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