how to identify chevy differential
How to Identify a Chevy Rear End. There should be 10 12 or 14 bolts holding the cover to the differential.
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GM 82 - 1964-72 Chevy C-Clip Axles GM 82BOP - 1964-72 Bolt-in Axles.
. Dana Dana 30 - Standard Reverse Rotation CS TJ Dana 30 - JK. The two lugs on the lower case at the 5 and 7 oclock positions are also identifying features. The most noticeable difference is the reinforced cast iron differential in the Dana 61.
The rear end is centrally located between the rear wheels. Look under the rear of the vehicle. Axle Identification Chart DANA 2527 These Danas are indistinguishable in appearance.
Dana axle identification is located on axle tube between Steering Shock Absorber Bracket and the Carrier. Between 1973 and 2000 a few 14-bolt axle variations were produced. Positive identification of the Corporation Chevrolet axle versus the Dana axle is necessary for proper selection and ordering of service replacement parts.
For decades Chevy and GMC trucks vans and SUVs came equipped with a 14-bolt axle. The rear covers shape and the number of bolts are identifying features for GM rear differentials. DANA 28 The alloy-case Dana 28 with a 6 58-inch-diameter ring gear came in Bronco IIS and Rangers with anything.
This is why GMC or Chevy 14-bolt rear axle identification is a challenge. It has bolt in axles. 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.
The inspection cover is on the back of the housing seen by looking. Just like a 10-bolt rearend there should be stamped numbers on the axle tube on the passengers side. Dropout differentials are also referred to as 3rd members or pumpkins.
Ring and pinion gear is 265 I think it not 100 percent. The axle ratio is derived from dividing the number of teeth on the ring gear by the number of teeth on the pinion gear. 2102014 12223 PM.
How do I identify my Chevy rear differential. On the back of the unit count the number of bolts holding the inspection plate cover to the rear end housing. Now that you have counted the number of bolts around the differential cover you can determine which axle your truck has.
A collection of quick tips on how to identify some of the more common types of differentials and an overview of the different styles of axles you may find u. 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. Need your help please.
All three units have 10 bolts as. Can you identify my axle with brand and year. Using the charts below you will be able to learn alot about the rear differential in your classic full size Chevy.
The distance between the bottom center bolt in the cover and its adjacent bolts is 3 14 inches. Information about Differentials in GM vehicles can usually be obtained by looking at the RPO or Regular Production Option codes contained in the Service Parts Identification tag in the glovebox. See the Spicer Axle Identification information.
95 rows 1958-1970 Chevy Rear Differential code Identification. The round 10-bolt cover with a bulge for the ring gear identifies this axle assembly as an 85-inch 10-bolt. These identify numbers and letters are they for axle tube.
Count the number of inspection cover bolts on the rear end housing. The axle gears are a part of the differential and are located behind the inspection cover on your axle. This code will tell you the ratio whether it is posi or not any special notes and what plant it was.
I would like to put in my 1965 chevelle if it will fit. The military Model 25 has a thick cast cover while the 27 and civilian-model 25s have a thinner cover will accept taller gears and backed V-6s. 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.
Differential ID Chartxlsx Author. For a 373 ratio there may be 41 teeth on the ring gear and 11 on the pinion for 372. Whenever possible reference the tag numbers when ordering parts for your Differential.
The gear ratio codes are located on the front passenger side of the differential as shown in the illustration below. The Dana axle is found on many different makes including. How Many Bolts Does Your Differential Cover Have.
The oval-shaped cover measures 8 516 inches by 10 916 inches. 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.
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. Although the 75-inch 10-bolt closely resembles the 85-inch housing you can positively identify the Chevy 75-inch rearend by measuring it. 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.
I have gm axle cx0824 389914 Nwaww. If the ID tag or stamp is missing or unreadable differentials can be. Commonly 7 or 8 digit ident number plus manufacture date.
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