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M20 Speedometer drive gear

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Old Jul 6, 2009 | 09:11 PM
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Default M20 Speedometer drive gear

Can someone tell me what speedometer drive gear was factory installed in the a 1974 Corvette with a M20 Muncie and a 3.08 rear end ratio?

I can look in the transmission and see that it is green.


Thanks

Dan
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Old Jul 6, 2009 | 09:50 PM
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you probably need a brown 18 tooth driven gear... they are only 8-10 bucks..
i use the purple 17 tooth gear for my 2.73 rear and my speedometer is pretty close, next size up is the brown gear and should be closest for your 3.08..

try your dealer or npdlink.com.. they cost more at the corvette parts houses
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Old Jul 6, 2009 | 10:20 PM
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Are you wanting the drive gear or the driven gear ?
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Old Jul 7, 2009 | 08:44 AM
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I am trying to find out what drive gear was installed at the factory. Was it 6, 7, or 8 tooth?

I see that it is green but I don't know what that means as far as tooth count.


Dan
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