What size tubes are on a Ford 9 axle?

Ford 9″ Axle Tube Diameter
The axle tube diameter for a Ford 9″ axle can vary, but it is commonly found to be around 3 inches. This size is often used in aftermarket Ford 9″ housings and is considered to provide sufficient strength for various applications.
It’s important to note that there are variations in tube sizes, and aftermarket Ford 9″ housings are available with different tube sizes, such as 3″ or 3.5″ axle tubes. The 3.5″ tube is considered to be stronger, but the 3″ tube is also commonly used and provides adequate strength for most applications.
In some specific cases, such as with the ’68 Mustang axle housing, the tube diameter is around 2-3/8″. However, for the late 70’s 9″ axle in a F150 4×4, the tube diameter is likely to be around 3 inches.
It’s important to consider the specific application and intended use when selecting the appropriate axle tube diameter for a Ford 9″ axle.

How much horsepower can 31 spline axles handle?

S/S 28- & 31-Spline Axles (28-spline up to 400 hp1, 31-spline up to 500 hp1) For street and handling performance applications, 31-spline S/S axles are recommended.

What is the spline count on a Ford 9 inch axle?

What is the diameters of the major and miner of the spline for the ford 9″ of 29 and 32, 35 spline count? 9 inch Ford axles are 28 and 31 spline. There are after market 33, 35 and 40 spline axles for it.

What is so special about a Ford 9 inch rear end?

One of the features which distinguishes this axle from other high-performance or heavy-duty domestic solid axles is that unlike other axle designs, access to the differential gears is not through the rear center cover; rather, in the Ford 9 inch, the rear cover is welded to the axle housing, and access to internals is …

Is a Dana 44 stronger than a Dana 35?

It may not sound like a big difference, but it’s actually a pretty big. Although the Dana 44 has a larger differential, and stronger axle shafts, it shares the same weak axle tubes with the Dana 35. You could always truss the axle to make it stronger, but at the end of the day, it’ll still have really weeks tubes.

How many splines does a Ford 9-inch have?

Ford 9-inch third members come with three common carrier bearing sizes, which include 2.892-inch (28-spline), 3.062-inch (31- and 33-spline), and 3.250-inch (35- and 40-spline). Larger race versions up to 3.812-inch are available for Trophy Truck applications with 40-spline axleshafts.

What is the difference between a Dana 44 and a 9-inch Ford?

A stock EB 9″ is about the same as a 44. Same diameter shafts, but the EB 9 is 28 spline, and the 44 is 30 spline. The 9 has a bigger/stronger r/p and the 3rd pinion bearing. If upgraded to 31 spline, it would be stronger overall than a 44.

Who made Ford 9-inch differential?

Ford Motor Company
The Ford 9-inch is an automobile axle manufactured by Ford Motor Company. It is known as one of the most popular axles in automotive history. It was introduced in 1957 model year cars and ended production in 1986, having been phased out in favor of the Ford 8.8 inch axle.

How are Ford 9 axles measured?

Total width-this is the total width of the assembled rear end measured from the outside of one axle flange to the outside of the other. Backing plate to backing plate means nothing when measuring for a rear end so forget about that way of measuring.

What is the difference between Ford 9-inch diffs?

Ford 9-inch diffs feature larger diameter ring gears which creates additional distance between the centerline of the ring gear and the centerline of the pinion gear, known as hypoid distance. This relationship impacts performance. “The key here is hypoid offset,” says Gus, “The vertical offset from the axle centerline.

What is the diameter of the Ford 9 31 spline axle?

Allstar Ford 9in Axle 31 Spline 29-1/2in ALL67500
Axles have . 470″ thick flanges with a 5.94″ outer diameter and a 3.06 hub register to center most rotors and drums. 31-spline axle has a 3.150″ O.D.