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mlappert
mlappert, ASE Certified Technician
Category: Chevy
Satisfied Customers: 62
Experience:  ASE Master tech, 3 years GM dealership
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I Have a 1997 K1500, how do determine the gear ratio if I..ring gear

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I Have a 1997 K1500, how do determine the gear ratio if I know I have an 8.25 ring gear.
Submitted: 7 years ago.
Category: Chevy
Expert:  mlappert replied 7 years ago.
Jack the rear axle up. Put the trans in neutral. Hold, have someone else hold, or block 1 wheel from turning (unless it's a posi-trac). Mark the driveshaft with tape or bright crayon. Mark the tire at the bottom. Count how many times it takes the driveshaft turns in relation to the wheel turning 1 revolution. It should be about 3 3/4 turns (3:73). maybe a 3:42 (a bit less than 3 1/2 turns).
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