gearing?

DoctorMadman

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Ok, im pretty sure my car has gears, but im not sure how steep. At 80mph in 5th gear I am at 3k RPMs. Care to inform me on the ratio? Thanks.
 

1995COBRA-R

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what gear?

Since the trans 5th gear could also be modified, I would suggest doing the speed in 4th. Of course the speedo gear could be wrong/off due to the gear change.

Jack up the rear of the car, turn the rear wheel and count the revolutions of the driveshaft. Divide it and you'll know the exact ratio. Whie you are under the car, check the pinion seal for leaks.

Good luck
 

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