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

The Ford 9-Inch Rear End: A Special Design
The Ford 9-inch rear end is renowned for its durability, adaptability, and strength, making it a popular choice among drag racers, hot rodders, and off-road enthusiasts. Here are some key features that make the Ford 9-inch rear end special:
1. Strength and Durability: The Ford 9-inch rear end is known for its exceptional strength, allowing it to withstand high torque and power. Its design and construction make it highly resistant to breakage, making it a reliable choice for high-performance applications.
2. Adaptability: The 9-inch Ford rear end is highly adaptable and can be easily modified to fit various non-stock applications. Aftermarket rearend specialists offer a wide range of housings, gears, and components to suit different needs and preferences.
3. Availability: Although production of the Ford 9-inch rear end ended in 1986, it remains readily available today. Aftermarket companies continue to produce the 9-inch design, ensuring that parts and complete rear ends are easily accessible.
4. Easy Maintenance and Repair: The design of the Ford 9-inch rear end allows for easy maintenance and repair. The casing is simple to remove, making it convenient for repairs and modifications between races.
5. Racing Heritage: The Ford 9-inch rear end has a long history in racing and has been used in various racing series, including NASCAR Cup. Its strength, reliability, and availability have made it a favorite among racers for decades.
In summary, the Ford 9-inch rear end stands out for its strength, adaptability, and durability. Its design allows for easy customization and maintenance, making it a popular choice among racing enthusiasts and hot rodders.
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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 is so good about a Ford 9-inch?

The 9-inch’s design benefits performance from a ‘bigger is better’ standpoint as well. 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.

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

Besides an inherently large ring-gear diameter (bigger than all competitive passenger-car performance rearends, except the massively heavy and relatively rare 9¾-inch Dana 60), the Ford’s biggest strength advantage over competitive rearends is its greater hypoid distance.

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.

Who makes the best Ford 9-inch rear end?

Strange Engineering is the most recognized name in the aftermarket industry when it comes to Ford 9 inch rears. From high performance street cars to top fuel, Strange Ford 9 inch housings are relied on by more racers than all other manufacturers combined.

When did Ford stop using the 9 inch rear end?

1986
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.

Why do they call it a 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.

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.

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.

What year did Ford quit making the 9 inch rear end?

1986
You wouldn’t swap any of those parts under your 4×4 today, but the 9-inch still enjoys incredible popularity. In fact, despite being discontinued by Ford in 1986 in favor of the 8.8 axle, there are more 9-inch parts on the market now than ever before.