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Axles

Axle Gear Lubrication

What gear oil should I use?  Depends on limited slip vs open/locked.     Many ppl have an opinion.

  • Redline Synthetic
  • Royal Purple Synthetic

If you have a limited slip, it must contain a friction modifier.
What do you use?

Torque Specifications

Here's a list of torque specs for the XJ.

Chrysler 8.25 Axle Information

All Chrysler 8.25 axles are c-clip.

91-96 XJ:  Chrysler 8.25 - 27 spline, 1.17" diameter shafts, 8.25" ring gear, 3" axle tube
97-01 XJ:  Chrysler 8.25 - 29 spline, 1.21" diameter shafts, 8.25" ring gear, 3" axle tube

Dana 30 (D30) Axle Information

Available in both standard (low pinion) and reverse rotation (high pinion).

Ring Gear Diameter: 7.2
Ring Gear Bolts: (10) 3/8 x 24 RH
Cover Bolts: 10
Carrier Breaks: 3.54 / 3.73
Spline Count: 1.375 / 27
Float: Front
Semi-Float Type:
Pinion Support: False
Axle Lugs:  5x4.5

WJ Steering Conversion for the XJ

Just gathering a good list of write-ups for WJ Steering knuckle conversion for the XJ D30:

Maximum Tire Size Based on Axles

 The following chart is a guideline / suggestions of the maximum tire size assuming that you do medium to extreme offroading.   If you are only a pavement pounder, then you can probably get away with a larger tire size.

Axle Comparisons

Comparison charts between a JK D44 and TJ D44

Front Axles

 

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