What rear end is in my Ranger?

You can identify the Ford 8.8-inch rear by its rear cover. It has a thin metal or plastic 10-bolt cover, and the bolts are 7/16-inch thread. The cover is not quite square, measuring about 101/2 inches high by 11 inches long. The 8.8-inch pinion shaft is 15/8 inches and has 30 splines.

How can I tell what rear end my Ford has?

How to Identify Ford Rear Ends

1. Locate the axle ID tag on the rear-end housing—usually a sheet-metal tag bolted to the housing, although some vehicles had a paper tag, which may be missing.
2. Decode the service number by matching it to an axle service code chart, similar to those found on WoodyG.com and Drivetrain.

How much horsepower can a Ford 8.8 rear end handle?

8.8 is fine up to 1,200hp or so. just weld the tubes, build a brace off the center section to the tubes, and weld 9in ends on it for the desired width.

What is a good diff ratio?

Differential Gear Ratio determines the number of times the drive shaft (or pinion) will rotate for each turn of the wheels (or ring gear). So if you have a 3.73:1 gear ratio the drive shaft turns 3.73 times for every turn of the wheel. Lower ratios are generally desirable when going off-road.

How do I know if my rear end is posi?

Shift your transmission into neutral so that the rear wheels rotate freely. Grasp one rear wheel, turn it and observe the other rear wheel. If the other rear wheel turns in the same direction, there is positraction.

What does a limited slip differential do?

In basic terms, the limited-slip diff does what it says, as it’s a device that limits the amount of wheelspin when the driven wheels lose grip when power is applied.

What VIN number is my rear end gear ratio?

The gear ratio is usually listed in the VIN code located on driver’s door, the glove box, or the ID plate on the dashboard. Count the times a rear wheel goes around for one driveshaft turn: if its 3 1/2 it’s a 3.50:1. Divide the number of teeth on the ring gear by the number of teeth on the pinion gear.