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

What Makes the Ford 9-Inch Rear End Special?
The Ford 9-inch rear end is renowned for several key features that make it highly sought after in various automotive applications:
1. Versatility and Adaptability:
– The 9-inch Ford’s overall design lends itself to easy adaptation to all sorts of nonstock applications, making it a popular choice for hot rods, race cars, and various other vehicles.
2. Strength and Durability:
– The Ford 9-inch rear end is known for its overall strength and durability, making it a top choice among drag racers, hot rodders, and off-road enthusiasts who prioritize durability and strength above all else.
3. Availability of Parts:
– Despite the discontinuation of production in 1986, individual parts and complete rear ends for the Ford 9-inch are readily available from aftermarket companies like Strange Engineering, ensuring that it remains a viable option for automotive enthusiasts.
4. Racing Pedigree:
– The Ford 9-inch rear end has a strong racing pedigree and is favored by high-end racers and professional rear end builders, further solidifying its reputation for performance and reliability.
5. Popularity and Endurance:
– The Ford 9-inch rear end is one of the most popular axles in automotive history and has endured past its factory lifespan, with aftermarket companies continuing to produce almost every single component necessary to build a brand new 9-inch decades after the last factory-stamped original.
In summary, the Ford 9-inch rear end’s versatility, strength, availability of parts, racing pedigree, and enduring popularity make it a special and highly sought-after component in the automotive world.

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.

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.

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.

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-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 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 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.

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.