Simply by jacking both rear wheels off the ground,put it in neutral,handbrake off, and chock the front wheels, and then turn the rear wheel 10 revolutions, and count the number of revolutions the tailshaft makes. For example, if it makes almost 38 revolutions, the diff ratio is 3.78:1. Alternatively, If the diff is out and you can't find a ratio stamped on it,count the teeth on the crownwheel and pinion gears, and calculate the ratio from this.
The stock rear-end gear ratio for all US 240sx is 4.083
The rear end gear ratio on a 1980 Oldsmobile is 3.73, in the overdrive gear. The low gear ratio is 1.43.
2.833 is the rear-end gear ratio
it has an 8.8 rear end with a 3.23 ratio.
What is the OEM rear end gear ratio on a 1979 ford F-150 400 9-inch rear end?
If your asking about the gear ratio, Then write the VIN # down and call a Chevy dealer and ask for parts. Then ask the parts man if he'll tell you the gear ratio and that you have the VIN# on you truck. He'll tell you what the gear ratio is from the factory.
It could be any gear ratio. what you need to do is remove the rear end plate and count the teeth on the ring gear, then count the teath on the pinion gear. and divide the pinion teeth # into the ring gear teeth # and that will tell you for sure just round the # off you come up with.
3.42
Rear end ratio: 2.82
To know for sure, You need to remove the big metal plate on the rear end housing and count the # of teeth on the BIG round gear / Ring gear. Then count the teeth on the small round gear / pinion gear that sets deep in the housing and runs on the big gear. Then divide the small # into the high # and that will be you gear ratio.
If the front is 3.55, then the rear needs to be 3.55
what is the rear end gear ratio on a 4800lb tow rating on a 2006 ford f-150 triton 5.4 litre 4x4 truck