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What speedo gear do I use with 4.10 gears I remember last time I had a car with 4.10s they didnt make one but thats been 4 years
 

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I used a 23 tooth white speedo gear, it is about as close as you can get. It has a 5-8 mph error depending on the speed. Glad that I could help.:)
 

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bad4cammer said:
I used a 23 tooth white speedo gear, it is about as close as you can get. It has a 5-8 mph error depending on the speed. Glad that I could help.:)
Unfortunately it doesn't work as well in the GT thanks to a different internal drive gear in the tranny.
 
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