What is an AMC 20 axle?
AMC 20s have an 8 7/8″ ring gear and use a 29 spline axle shaft. The AMC 20 was most often used with V8 engines in cars and Jeeps. It was also used in the AM General Humvee.
What is the axle width?
Wheel track, track width or simply track refers to the distance between the centerline of two wheels on the same axle. In the case of an axle with dual wheels, the centerline of the dual wheel assembly is used for the wheel track specification. Axle and wheel track are commonly measured in millimetres or inches.
How wide is a Chevy rear end?
MEASURED ACROSS WHEEL MOUNTING SURFACE
| Year | Classic Vehicles | Width Rear |
|---|---|---|
| 55-64 | Chevy car | |
| 65-67 | Nova | |
| 68-72 | Nova | 60″ |
| 78 & up | Monte Carlo, Regal, etc. with 10 bolt axle | 58″ |
What is the gear ratio for a AMC 20?
Stock gear ratios ranged from 2.56:1 to 4.10:1, and aftermarket cogs are available up to a 4.88:1 ratio. Spline count on the shafts was 29 splines. There was also a narrow-track AMC 20 used in Jeeps from 1976 to 1981; it measured 50.5 inches from flange face to flange face.
How wide are camper axles?
Travel trailers are generally 8 feet (or 96 inches) wide.
How wide is a 70 Nova rear end?
Products specifications
| Vehicle Fitment | 62-72 GM X-body vehicles (Nova, Chevy II, Super Sport, Apollo, Omega, Ventura) with single or multi-leaf rear springs |
|---|---|
| Brake Space | 2.5 inch axle standoff |
| Width | 62-67 = 57.875 inches / 68-72 = 60.250 inches (between wheel mounting surfaces) |
How wide is a 74 Nova rear end?
Unit is 60.25″ wide.
What axle is in my Jeep CJ7?
Dana 30 differentials are used in most Jeeps. From the CJ-series (CJ5, CJ7, CJ8 Scrambler) to the YJ, TJ Wranglers, and even XJ Cherokees. These axles would be made for open-end steering, meaning they allow for front spindles and parts that will enable the vehicle to turn.
What is Dana 30 axle?
The Dana/Spicer Model 30 is an automotive axle manufactured by Dana Holding Corporation. It has been manufactured as a beam axle and independent suspension axle with several versions.
What size is my rear axle?
For a front thru-axle, this is measured from the inside to inside of your fork. For a rear thru-axle, this is measured from the inside to inside of your frame at the drop-outs. The O.L.D. measurement is listed for many thru-axles, but isn’t necessary if you know the overall length.
How do you measure the width of a trailer axle?
How to Measure a Trailer Axle.
- Hub Face. The measurement from the face of one hub to the face of the other. (The face is where the wheel sits against the hub.)
- Spring Center. The measurement from the center of one spring pad to center of the other.
Why buy an AMC 20 rearend?
If there is one Jeep part that gets more badmouthing than a Backstreet Boy in a biker bar, it has to be the AMC 20 rearend. So why put good money into an axle that appears to have so many weaknesses? Because it’s already in your Jeep, and in most cases it can be made strong enough for your type of ’wheeling.
What are the different versions of the AMC 20?
There are three basic versions of the AMC 20 that can be found in the ’76-’86 CJs. The ’76-’81 CJs are narrow-track, ’82-’86 ones are wide-track and are about 3 inches wider. CJs with the Quadra-Trac transfer case have a narrow version of the 20 with an offset differential. Be sure you know what version you have before buying parts.
Why do AMC 20 axles fail?
Most of the AMC 20 failures occur because of poor installation procedures, abusive situations like jumping your Jeep, or extreme rockcrawling. Besides, complete axle swaps can be costly, and in some instances certain components of the new axle may be weaker than what the AMC 20 offers.