Why is the Ford 9-inch rear end so popular?

The Ford 9-inch rear end is popular for several reasons:
1. Overall Strength and Availability: The Ford 9-inch rear end is known for its overall strength and durability. It was manufactured by the Ford Motor Company from 1957 to 1987 and was installed in various Ford, Lincoln, and Mercury passenger cars, F-Series trucks, and Econoline vans.
2. Large Diameter Axles: The 9-inch rear end is available with either 28- or 31-spline large diameter axles, which contribute to its strength.
3. Sturdy Housing: The 9-inch rear end housings are noted for their sturdiness and were built with case thicknesses ranging from.150 to.250. They were offered in seven different housing widths, making them suitable for different race or street vehicles.
4. Popular in Racing: The 9-inch rear end has been a top choice among drag racers, hot rodders, and off-road enthusiasts due to its durability and strength. It has been used in street stock circle track racing and drag racing, and many racers prefer the 9-inch rear end found in certain Ford vehicles because of its 31-spline axles, large ball-type axle bearings, and overall width.
5. Aftermarket Support: The Ford 9-inch rear end has a tremendous amount of aftermarket support, with many companies offering a wide range of components and upgrades. This makes it easier to find replacement parts and customize the rear end for specific needs.
6. Removable Carrier: The 9-inch rear end has a removable carrier, allowing for quick rear end changes. This feature is desirable for racers who want to try different rear end ratios on the same day while at the track.
7. Fine Tuning Options: The 9-inch rear end offers a vast amount of gear ratios, allowing for fine-tuning of the rear gear for specific tracks or performance requirements. This, combined with easy assembly, makes it popular for performance enthusiasts.
It’s important to note that the popularity of the Ford 9-inch rear end is also influenced by its historical significance, its use in various racing disciplines, and the availability of aftermarket support and upgrades.

When did Ford stop using the 9 inch rear end?

Ford stopped 9 inch rear axle production in 1986. It was then replaced by the Ford 8.8 inch rear axle.

How much HP can a Ford 9-inch rear end handle?

A 9-Inch For Every Need
GearFX offers a wide range of Ford 9-Inch rear ends, with strength ratings that range from 650-hp to 1000-hp and beyond. Their most popular setups are their S- and N-Series rear ends.

How much power can a stock Ford 9-inch handle?

The most common is just a typical 9″ carrier. You can find it in just about anything with a 9″ after 1965. It should be able to handle 600hp with no problems but it depends on too many factors to say if it will or not. The last and best carrier to get is a Nodular.

Why is the Ford 9-inch so strong?

The Ford nine-inch, introduced in 1957, incorporated all that smart thinking but had distinct advantages. First, there’s the diameter of its ring gear at—you guessed it—nine inches. That’s larger and thus stronger than most contemporaries. Ford engineers increased the angle of the pinion’s teeth, as well.

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 …

How strong is a Ford 9-inch?

With its 2.250-inch offset, the 9-inch Ford’s hypoid distance is greater than popular competitors, most of which are at 1.5 inches or even less. According to Hoosier Gear’s Bill Vandevord, this means the Ford may have as much as a 10-percent strength advantage in certain cases, assuming equally sized gears.

How strong is a Dana 80 rear end?

11,000 pounds
Dana 80’s are made as full floating, rear axles only and are a step up in overall strength compared to the Dana 70. 1988 Ford was the first company to use the Dana 80. The Dana 80 has a GAWR up to 11,000 pounds (5,000 kg), however it is common practice among manufacturers to derate Dana 80’s.

Why does everyone use Ford 9-inch?

The iconic Ford 9-inch has been the go-to diff for hot-rodders since day one. The brilliance of the unit is its ability to hold power, its quickness in changing gears, its vast range of available gear ratios, and the ease in which it can be setup. Shop our Ford 9-inch differential products here.

Why is the Ford 9 so popular?

The Ford nine-inch, introduced in 1957, incorporated all that smart thinking but had distinct advantages. First, there’s the diameter of its ring gear at—you guessed it—nine inches. That’s larger and thus stronger than most contemporaries. Ford engineers increased the angle of the pinion’s teeth, as well.

What cars used the Ford 9-inch rear end?

The Ford 9-inch rear end, so named because of its 9-inch ring gear diameter, was manufactured from 1957 to 1987 by the Ford Motor Company and installed in some intermediate and most full-size Ford, Lincoln, and Mercury passenger cars, F-Series ½-ton trucks, and Econoline vans.