How do I identify a Ford 9 inch rear axle?
The middle number is the ring gear diameter in inches, typically an 8 or 9. The last set of numbers is the vehicle plant code. If the axle tag is missing, as most are, you need to remove the third member in order to know what ratio you have and if it has a limited-slip or not.
How do I identify my Ford rear end?
Locate the identification tag on Ford manufactured rear end units. According to Fordification.com, the tag is located on the driver’s side of the unit, mounted vertically, facing the front of the vehicle.
What do the numbers on a rear end tag mean?
Numbers. The BOM will identify the model number, the gear ratio, the type of differential, and all component parts. Traditional BOM’s are 6 digits followed by 1 or 2 digits and start with the numbers 60 or 61. On some tags, the first 2 digits don’t appear on the tag, but they must be used to identify the axle.
How do I know if I have a limited slip diff?
The easiest way to tell if you have an open differential is to jack up the car and spin one of the rear tires. If the other wheel spins in the opposite direction, you have an open differential. If it spins in the same direction, you have a limited slip differential, or LSD.
What vehicles have Ford 9 inch rear end?
Common applications
- 1957-1986 Ford F-100 & F-150.
- 1958-1960 Edsel (All series including Wagons)
- 1976-1980 Ford Granada.
- 1976-1979 Lincoln Versallies.
- 1957-1970 Ford Fairlane.
- 1957-1971 Ford Thunderbird.
- 1964 1/2-1973 Ford Mustang.
- 1966-1983 Ford Bronco.
Why is it called a 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 rear end do I have by VIN?
Identify the VDS section, the fourth through eighth digits of the VIN. This section typically includes information such as the vehicle model, engine size and body type. While not every vehicle manufacturer includes gearbox ratio information in the VDS, this will be where the information is found if it was included.
What makes a Ford 9 inch so good?
But what makes the Ford “better”? Besides an inherently large ring-gear diameter (bigger than all competitive passenger-car performance rearends, except the massively heavy and relatively rare 9-inch Dana 60), the Ford’s biggest strength advantage over competitive rearends is its greater hypoid distance.
When did the Ford 9 inch rear end come out?
Ford 9 Inch Rear-End Widths and Potential Donor Cars The Ford 9 inch rear end is one of the most popular axles in automotive history. Ford’s 9 inch rear axle was produced from 1957 through 1986 and was installed in nearly every Ford passenger car and truck at one time or another. It was then replaced by the Ford 8.8 inch rear axle.
Can you put a 9 inch rear end in a hot rod?
Many people swap Ford 9 inch rear ends into their hot rods, muscle cars and drag cars because they’re readily available, are somewhat strong from the factory and can be strengthened easily. The center section of the 9 inch rear end is removable allowing you to swap gears or differentials on a bench.
How do you measure a 9 inch rear end?
There are two ways that are used to measure a 9″ rear end. The first is to measure from the wheel mounting surface to the same place on the other side. This is the most consistent way as it gives you the distance between the wheel mounting points.
What is the strange 9 inch rear end made of?
The Strange 9 inch rear ends are constructed .141” mild steel with a heavy duty .282” face plate. The housing is slotted along the front to allow complete and secure welding for the housing tubes. Internal gussets provide extra support for the mild steel tubes resulting in a strong and rigid housing capable of handling most abusive applications.
