How to narrow a 9 inch Ford rear end housing?

ALWAYS measure a rear end from the outside of the axle flange to the outside of the axle flange. -28 spline 8″ and 9″ Ford axles are the same spline. -You have to cut at least 4″ out of 8″ or 9″ Ford OEM axles in order to shorten and re-spline them. Some of the older axles cannot be shortened at all.

Is it possible to narrow a Ford 9?

In the pursuit of low cost performance upgrades when it comes to the Ford 9”, there are really only three options; you can find an original Ford 9” housing that is the correct width or almost the correct width for your application, have a local machine shop narrow up a larger housing, or you can build one yourself.

When did the Ford 9 inch rear axle come out?

The Ford 9 inch rear end. Ford’s 9 inch rear axle was produced from 1957 through 1986. At one time or another, it was installed in nearly every Ford passenger car and truck. In racing and hot rodding today, you’ll find these rear ends and their aftermarket descendants in just about everything—not just Fords.

What kind of car has a 9 inch rear end?

The Ford 9 inch rear ends can be found in just about any Ford car or light truck. Ford enthusiasts around the world have used the 9 inch rear end in countless street and race car applications. The Ford 9 inch has found its way into just about every brand of high performance vehicle on the road or track today.

What to do with a Ford 9 ” rear end?

Then the new axle housing tubes can be adjusted until the outer bearing pucks can be slid down the shaft and inserted into the wheel bearing housings. Once you have the tools, you need to find a 9” to cut up. For a heavy-duty housing, trucks, vans and stationwagons are really good places to look.

Can a Ford 8 or 9 inch axle be shortened?

Some of the older axles cannot be shortened at all. You cannot remove 1″, 2″, or 3″ from any stock Ford 8″ or 9″ axle. -Axles are always measured from the outside of the axle flange to the end of the splines.

How many spline axle shafts do you need?

But frankly, if you’re going to drop the coin on this thing, you should also be upgrading to at least 31 spline axle shafts. The 28 and 31 spline lockers cost about the same and 31 spline shafts will give you a significant strength upgrade. This locker comes in these configurations: 35 splines (requires larger 3.250″ carrier bearings)

What kind of rear axle does a Ford truck have?

Some axles are more desirable than others. Favorites among circle track racers include the rear axles from in ‘66-’70 full size Fords and Mercurys, ‘71-’72 Lincolns and ‘68-’72 F100 Ford trucks. This axle is outfitted with 31- spline axles, large ball-type axle bearings and is 61” wide. Many of these units also have larger 3-1/4” axle tubes.

Are there axles in 8 ” and 9 ” rear ends?

Yes that is true the 28 spline axles are the same in a 8′” and a 9″! I used a 28 spline Mavrick 8″axles in my 78 cobra II when i switched to a 9″ housing. They should..I just had the axles out of my 68 mustang 8 inch and they appeared identical to the 69 cougar 9 inch axles that are standing in the corner of my garage… Yes it is true.

What’s the difference between 28 and 31 spline rear axles?

Visually, the car axles can be identified as 28-spline when the visible outboard center is a rounded rectangular ‘dish’ whereas the 31-spline versions have three drilled dimples. A full spool is used in place of the differential that normally allows left and right wheels to turn at different speeds when turning.

What are the bolt flanges on a Sierra rear drive shaft?

CAD drawings of the Tripod shafts can be found here : The Lobro bolt on shafts are also available with two different diameter bolt flanges 100mm (86mm P.C.D.) and 108mm. The bolt flanges are the faces where the shaft meets the differential or hub carrier.

How to narrow a 9 inch Ford rear end housing?