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Currie N-Case Nine-Inch Rear Axle Assem...
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Currie N-Case Nine-Inch Rear Axle Assemblies - Crate Nine-Inch - Tech
All-New Nine-Inch Rear Axle Assemblies Are Now Available From Currie Enterprises
By Jim Smart, Photography by Jim Smart
October 29, 2010
Currie Crate Axle Housings for Mustangs
Note: You can custom order a nine-inch housing for nearly any application including five-lug flanges for '79-'04 Mustangs. Special-order nine-inch housings are also available for '74-'78 Mustang II-call for an estimate.
Bolts are torqued in criss-cross fashion in third values after the ring gear has been seated.
Bolts are torqued in criss-cross fashion in third values after the ring gear has been seat
All bolt holes are chased and lubricant used on bolt threads to ensure proper torque values.
All bolt holes are chased and lubricant used on bolt threads to ensure proper torque value
Originally, Ford differentials had crush sleeves to get pinion depth into the neighborhood. Currie opts for pinion bearing shimming for precision accuracy.
Originally, Ford differentials had crush sleeves to get pinion depth into the neighborhood
Here, the pinion seal has been installed and lubricated. Clearances have been checked and the pinion support is installed in the differential case. All bolts get a thread locker, then they are torqued to Ford specifications using Currie Grade 8 fasteners.
Here, the pinion seal has been installed and lubricated. Clearances have been checked and
Ring gear backlash is checked next. This happens via ring gear position and pinion gear depth into the ring gear. Currie doesn't compromise on ring and pinion mesh. It must be perfectly smooth with proper backlash. If it doesn't measure up, it is rejected.
Ring gear backlash is checked next. This happens via ring gear position and pinion gear de
Our nine-inch unit is run in with a power drill to place a mesh pattern in the ring gear.
Tooth pattern should fall right in the middle on both sides. The back side of the gear teeth is the coast side, which loads during deceleration. By the way, there's no guarantee a ring and pinion set will break in properly, although most do just fine. However, if you don't work-harden the gears properly during break in, you risk gear failure. Work hardening means hard acceleration and deceleration once you have 500 miles on a rear end.
Tooth pattern should fall right in the middle on both sides. The back side of the gear tee
Final assembly of our Currie N-Case nine-inch begins in earnest prior to crating and shipping. If you need to paint or powder coat your Currie nine-inch, let Currie know so it can be shipped disassembled. Currie will also powder coat your axle housing at additional cost. Differential carriers can also be painted or powder coated. Otherwise, it is shipped assembled in the raw.
Final assembly of our Currie N-Case nine-inch begins in earnest prior to crating and shipp
Did you know you can get new drum brake assemblies from Currie Enterprises for your classic Mustang?
Did you know you can get new drum brake assemblies from Currie Enterprises for your classi
These are completely new assemblies that include the drum for under $400 for a pair.
Final assembly includes checking for noise or sloppy tolerances.
All Currie axle assemblies are shipped dry, which means you'll need axle lube and friction additives when you order your axle assembly. This entire assembly, including brakes, retails for under $3,000.
All Currie axle assemblies are shipped dry, which means you'll need axle lube and friction
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By Jim Smart
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