There are four ways to find a ratio.
1 A dealer can normally tell from the vin number.
2 There are normally tags or labels on the axle that have part number, gear ratio, and fluid requirement
info.
3 You can count how many times you have to turn the driveshaft to get one complete turn of the tires.
4 You can divide the number of teeth on the ring gear and divide by number of teeth on the pinion.
Depends on each individual truck. Look in your glovebox....there is a label from the factory with parts codes on it. The one with G refers to your gear ratio/ ring & pinion. GQ1 -- AXLE REAR, STD RATIO GT4 -- AXLE REAR, 3.73 RATIO GT5 -- AXLE REAR, 4.10 RATIO GU4 -- AXLE REAR, 3.08 RATIO GU5 -- AXLE REAR, 3.23 RATIO GU6 -- AXLE REAR, 3.42 RATIO G80 -- AXLE REAR, LIMITED SLIP (POSITRACTION)
Check the SPID in your glove box. one of the G** Codes will be the rearend ratio G80 means you have a locking(posi) Rearend. GU2 AXLE REAR , 2.73 RATIO GU4 AXLE REAR , 3.08 RATIO GU5 AXLE REAR , 3.23 RATIO GU6 AXLE REAR , 3.42 RATIO GU7 AXLE REAR , 2.77 RATIO GU8 AXLE REAR , 3.90 RATIO GT2 AXLE REAR , 4.77 RATIO GT3 AXLE REAR , 4.55 RATIO GT4 AXLE REAR , 3.73 RATIO GT5 AXLE REAR , 4.10 RATIO Anything else, let me know, I'll look it up. (cortex454 at gmail dot com
the lower your rear axle ratio, the worse your mileage.
That is done through the dealers computer system. There isn't one specific digit in the vin for the axle ratio.
what is rear end axle ratio
If you are trying to identify the axle ratio and/or if it has a locking rear differential and you have access to the original truck, there is a build sheet summary usually in the form of a decal. This decal would be located on the inside of the glove box lid.
To check the rear axle ratio on your Suburban, you need to safely jack up the vehicle to get access to the the rear axle. Then there should be a metal tag on one of the bolts on the rear axle cover indicating the axle ratio. The ratio varies with different options and load capacities, so it's not the same for all Suburban's.
Look on the sticker in your glove box:G80 Differential, automatic lockerGT4 Rear axle, 3.73 ratioGT5 Rear axle, 4.10 ratioGU6 Rear axle, 3.42 ratio
From the center of steer axle to center of rear axle on trailer. If you want just the truck it's the center of steer axle to center of rear drive axle.
That depends on the rear axle ratio. 2500 rpm ?That depends on the rear axle ratio. 2500 rpm ?
Open the drivers door and look for an information sticker , you are looking for the axle code . Submit a question with the axle code and I'll see if I can find the ratio axle code 86 axle tag s3708
The axle ratio on a 1969 Ford Mustang axle was 2.75:1