Where is the gear ratio stamped on ring gear?
Where is the gear ratio stamped on ring gear?
Count the teeth on the ring gear and the pinion gear, then divide the ring gear tooth number by the pinion tooth number to find the ratio. On some ring gears, there will be a pair of numbers stamped into the outer circumference that will be the tooth count. It may look like 41:10 or 41-10, etc.
How to identify rear differentials?
Without an ID tag, differentials are identified by the number of cover bolts, the distinctive shape of the cover, the number of ring gear bolts, and ring gear diameter. They can also be identified by whether the center section is an integral or dropout design.
Can you tell the gear ratio rear end for the VIN number?
Identify the VDS section, the fourth through eighth digits of the VIN. This section typically includes information such as the vehicle model, engine size and body type. While not every vehicle manufacturer includes gearbox ratio information in the VDS, this will be where the information is found if it was included.
Where is the gear ratio code on a Chevy?
Using the charts below, you will be able to learn alot about the rear differential in your classic full size Chevy. The gear ratio codes are located on the front passenger side of the differential as shown in the illustration below. This code will tell you the ratio, whether it is posi or not, any special notes and what plant it was made at.
What was the rear differential code for a 1970 Chevy?
1958-1970 Full size Chevy rear differential identification chart. 1958-1970 Chevy Rear Differential code Identification Using the charts below, you will be able to learn alot about the rear differential in your classic full size Chevy.
Where can I find the rear differential number?
Top left: If you take care when you clean your original rear end you may be able to see at least the remnants of the original inspection marks. Here you can see the three white paint splotches identifying the pinion size and the gears. In this 489 case it is 3:91 gears and a 1 7/8 pinion.
What’s the gear ratio on a 70 B body?
You can see the “91” for a 3:91 gear ratio in this unit. Above center: The first step in rebuilding the 8¾ axle is to remove the bolts that hold the axles in the unit.
How to read the numbers on a Chevy ring gear?
83 = 1983 ? If you still have the truck and the build sheet is still in the glove box. Click to expand… ok thanks guys I was pretty sure on the ratio but the the 4 83 is what got me it is hard to explain to someone why you are right when you yourself don’t know what all the numbers mean month and year were also my guess again thank you
Using the charts below, you will be able to learn alot about the rear differential in your classic full size Chevy. The gear ratio codes are located on the front passenger side of the differential as shown in the illustration below. This code will tell you the ratio, whether it is posi or not, any special notes and what plant it was made at.
You can see the “91” for a 3:91 gear ratio in this unit. Above center: The first step in rebuilding the 8¾ axle is to remove the bolts that hold the axles in the unit.
What’s the gear ratio on a Mopar 8.75 rear axle?
Gear ratios available on the 8-3/4″ axle through the years include: 2.76, 2.93, 3.23, 3.31, 3.55, 3.73, 3.91, 4.10, 4.56, 4.89, 5.17, 5.57. On OEM gear sets, the ratio is usually stamped on the ring gear edge.
