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Is there an easy way to get the rear end gear ratio of my 1985 chevy truck. I am missing my information tag from the glove box.
 

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Gear ratio is simply the number of rotations of the driveshaft divided by the number of rotations of the axleshaft. I would simply jack the back end up, rotate the wheels through one rotation while counting the number of rotations of the driveshaft.
 

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Gear ratio is simply the number of rotations of the driveshaft divided by the number of rotations of the axleshaft. I would simply jack the back end up, rotate the wheels through one rotation while counting the number of rotations of the driveshaft.
I dont how the weather is in Utah...but its to damn hot here to do all that when you can do it in 3 minutes on the puter! Work smarter not harder!
 
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