What gear ratios are available for Ford 9-inch?

Choice of Gear Ratios: 2.50*, 2.75*, 3.00, 3.25, 3.50, 3.70, 3.89, 4.11, 4.30, 4.56, 4.71, 4.86, 5.00, 5.14, 5.29, 5.43, 5.67, 5.83, 6.00, 6.20, 6.33, 6.50 NOTE: 2.50 and 2.75 are take out gears.

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

The 9-inch Ford Rearend is the Strongest Rearend Out There—It’s All Due to “Hypoid Distance” 1] The 9-inch Ford has no differential case gear-ratio range restrictions; one differential accepts all gear ratios from the 2s through the 6s.

How do I identify a Ford 9-inch differential?

Ford attached an aluminum tag to one of the carrier bolts at the factory to aid in determining the gear ratio and build date of the 9-inch rear. There are two rows of numbers on the tag. The first row will show five digits that designate the Ford part number for the axle. The second row will have 9 or 10 digits.

How much backlash should a Ford 9 inch have?

.008 INCHES
ROTATE OPPOSITE ADJUSTER UNTIL IT IS TIGHT. LOOSEN AND TIGHTEN EACH ADJUSTER UNTIL THEY ARE BOTH TIGHT, BUT YOU HAVE . 008 INCHES OF BACKLASH AS DESCRIBED IN PART 9.

How do I know if I have a Ford 9 third-member?

The 9-inch third-member bottom fasteners, on the left, can only be accessed with a wrench. This is an easy way to identify the third members, so you’re sure to buy the correct axle. Both 8- and 9-inch axle housings are made from a series of stampings that are fixtured and welded together.

Why is the Ford 9-inch rear so popular?

The Ford 9-inch is desirable because it has a removable carrier, which allows quick rear end changes. Many racers carry an extra carrier assembly with a different rear end ratio so they can try different combinations on the same day while at the track.

What is the pinion depth on 9 Ford?

Your Pinion Depth Checker is now set for the calibrated depth of exactly 3.375″ (Or 1.900″ for the Ford 9″ or 2.500″ for the intermediate differentials). This is the CALIBRATED DEPTH.

What should the backlash be on Ford 9 inch rear end?

HOLD PINION FLANGE SOLID AND ROTATE RING GEAR BACK AND FORTH, ENSURING PINION/FLANGE DOES NOT MOVE. PLAY SHOULD BE EVIDENT AND THE AMOUNT OF BACK AND FORTH PLAY IS CALLED BACKLASH. IT SHOULD BE AROUND . 008 TO .

What is an l9 axle?

Your Ford l9 axle code indicates you have an electronic rear locking differential and a 3.73 ratio. The codes on that sticker all tell you something about your vehicle, from the wheel size to the exterior paint color.