How can you tell if you have a low speed rear end with out the tag for gear ratio ?
- posted
18 years ago
How can you tell if you have a low speed rear end with out the tag for gear ratio ?
How can you tell if you have a low speed rear end with out the tag for gear ratio in a 1985 GMC High Sieria 3500
jack one wheel up and turn it around and count the turns versus the turns on the drive shaft. example 10 turns of the drive shaft and 5 turns of the wheel = 2 to 1 ratio. old john
u15231@uwe (GMC=A0Gal=A0via=A0CarKB.com) asked:
How can you tell if you have a low speed rear end with out the tag for gear ratio in a 1985 GMC High Sieria 3500
u15231@uwe (GMC Gal via CarKB.com) asked:
How can you tell if you have a low speed rear end with out the tag for gear ratio in a 1985 GMC High Sieria 3500
This is incorrect. Jack up 1 wheel, mark it and the driveshaft. Turn the driveshaft until the wheel has turned exactly 2 revs. The number of turns of the shaft equals the axle ratio. This only works for open differentials. If it's posi, jack up both wheels and turn the drive shaft to make the tires make one revolution.
Al
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