how to identify chevy differential
If it is an early 82-inch 10-bolt Camaro housing the casting number will be 3894859NF. For the 1972-75 Camaro style model 85-inch 10-bolt casting numbers weve found a 410409N and a 410408N.
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See the Spicer Axle Identification information.
. Just like a 10-bolt rearend there should be stamped numbers on the axle tube on the passengers side. This is why GMC or Chevy 14-bolt rear axle identification is a challenge. Would an axle like this be original on a 74 Chevy K10 or might it have been a swap.
Cast numbers on driver side. They can also be identified by whether the center section is. These differ based on the gear ratio.
A visual chart of different GMChevrolet rear ends is found on Ring Pinions differential types web page see References. All Chevrolet rear ends can be identified by comparing the gasket shape to an identification chart similar to the one found on Drivetrains differential identification page see References. Commonly 7 or 8 digit ident number plus manufacture date.
An Easy Way To Identify Which Axle You Have. 11 rows The most noticeable difference is the reinforced cast iron differential in the Dana 61. 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.
The distance between the bottom center bolt in the cover and its adjacent bolts is 3 14 inches. The coil spring mounts and the mounts for the upper trailing arms on the differential identify this as a Chevelle or Monte Carlo rearend not one from a full-size car like an Impala. It has a tag under one of the ten bolt center section that indicates it has a 336 ratio.
Most of the heavy duty trucks built between 1968 and 2000 came with either a 34 ton axle or a 1 ton axle. If you need to identify which axle you have on your truck this guide is for you. The rear end ratio tells you how many turns of the wheel are needed for one turn of the driveshaft.
Between 1973 and 2000 a few 14-bolt axle variations were produced. By decoding the Vehicle Identification Number VIN you can also find out what axle ratio your truck has. Stamped s on pass.
I have a 1955 Chevy Bel Air and I have been unable to identify the rear end in it. On the front driver side it looks like theres a GM 55 stamped into the axle. Positive identification of the Corporation Chevrolet axle versus the Dana axle is necessary for proper selection and ordering of service replacement parts.
The driveshaft connects the differential to the transmission and it turns at the same speed as the engine. The differential allows the vehicle to turn corners by allowing each wheel on the axle to rotate at different speeds. You could check a service manual or look online to find out which axle your truck came with.
Although the 75-inch 10-bolt closely resembles the 85-inch housing you can positively identify the Chevy 75-inch rearend by measuring it. Using the charts below you. Here are the numbers I have found on it.
152 rows Identify your GMC or Chevrolet rear end gear ratio by the RPO Codes usually located on the placard labeled Service Parts Identification inside the drivers door panel or glove box. In this example Figure 3 GT4 is the axle ratio code. For decades Chevy and GMC trucks vans and SUVs came equipped with a 14-bolt axle.
First look at the casting number of the center section. All three units have 10 bolts as. The oval-shaped cover measures 8 516 inches by 10 916 inches.
95 rows 1958-1970 Chevy Rear Differential code Identification. Dana axle identification is located on axle tube between Steering Shock Absorber Bracket and the Carrier. Accurate identification using the GM RPO code assumes that the rear end has not been previously modified The prefix is usually F G or H when referring to Axle Identification.
The rear end is centrally located between the rear wheels. Learn how to quickly identify the three different variations of the GM 14 Bolt differential - the 95 105 and 115 - and the differences in setup for ea. Looking up the GT4 code via Google or any GM reference literature the code shows your truck has a 373 gear ratio.
I tried searching for what these identification numbers mean but cant seem to find anything. On the back of the unit count the number of bolts holding the inspection plate cover to the rear end housing. Look under the rear of the vehicle.
The best way to be sure of which axle you have is by the Bill of Material Number stamped on the right hand axle tube. Can someone help me identify the rear axle of my 1974 Chevy K10.
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