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Brand Name Differential Parts

Differential Set-Up Specifications

Differential Setup Specifications

The following are recommended Differential Set-Up Specifications for various differentials. If in doubt, consult our staff of differential parts specialists.

AMC

 
Differential Model
Pinion Bearing Preload (New)
(inch/lbs)
Pinion Bearing Preload (Used)
(inch/lbs)
Backlash
(.001 in)
Ring Gear Bolt Torque
(Foot lbs.)
Bearing Cap Torque
(Foot Lbs.)
  MODEL 20 14-19 6-8 6-10 65 65
  MODEL 35 12-15 6-7 6-10 55 55
             

CHRYSLER

 
Differential Model
Pinion Bearing Preload (New)
(inch/lbs)
Pinion Bearing Preload (Used)
(inch/lbs)
Backlash
(.001 in)
Ring Gear Bolt Torque
(Foot lbs.)
Bearing Cap Torque
(Foot Lbs.)
  7.25″ 12-14 6-7 6-10 55 50
  8″ IFS 12-15 6-8 6-10 55 60
  8.25″ 12-15 6-8 6-10 55 60
  8.75″ ’41’ 13-15 6-8 6-10 55 90
  8.75″ ’42’ 15-25 7-10 6-10 55 90
  8.75″ ’89’ 14-19 6-9 6-10 55 90
  9.25″ 14-19 6-9 6-10 65 75
  9.25″ Front 15-35 10-20 5-7 103 63
  Chrysler/AAM 10.5″ 15-25 10-20 5-7 175 120
  Chrysler/AAM 11.5″ 25-45 10-20 5-7 175 175
             

DANA SPICER

 
Differential Model
Pinion Bearing Preload (New)
(inch/lbs)
Pinion Bearing Preload (Used)
(inch/lbs)
Backlash
(.001 in)
Ring Gear Bolt Torque
(Foot lbs.)
Bearing Cap Torque
(Foot Lbs.)
  DANA 25 12-15 6-7 6-10 55 50
  DANA 27 12-15 6-7 6-10 55 50
  DANA 28 10-13 5-6 6-10 55 50
  DANA 30 12-15 6-8 6-10 55 60
  DANA 44 14-19 6-9 6-10 55 60
  DANA 50 14-19 6-9 6-10 65 60
  DANA 60,61,70U 17-30 8-10 6-10 110 80
  DANA 70 & 70HD 20-35 8-10 6-10 110 80
  DANA 80 25-40 9-11 4-10 175 80
             

FORD

 
Differential Model
Pinion Bearing Preload (New)
(inch/lbs)
Pinion Bearing Preload (Used)
(inch/lbs)
Backlash
(.001 in)
Ring Gear Bolt Torque
(Foot lbs.)
Bearing Cap Torque
(Foot Lbs.)
  7.5″ 14-19 6-8 11-16* 60 60
  8.0″ 12-14 6-7 10-15* 60 60
  8.7″ 14-19 6-8 10-15 60 60
  8.8″ 14-19 6-8 11-16* 60 60
  9″ OEM R&P 13-15 6-7 10-16 70 60
  9″ NON OEM 13-15 6-7 6-12 70 60
  9″ DAYTONA 14-16 6-8 6-12 70 60
  9-3/8″ 14-16 6-8 10-15 70 60
  9.75″ 15-19 6-8 10-15 75 70
  10.25″ & 10.5″ 20-35 6-8 11-16 95 80
             

GM

 
Differential Model
Pinion Bearing Preload (New)
(inch/lbs)
Pinion Bearing Preload (Used)
(inch/lbs)
Backlash
(.001 in)
Ring Gear Bolt Torque
(Foot lbs.)
Bearing Cap Torque
(Foot Lbs.)
  Olds/Pontiac Dropout 14-19 6-7 6-10 55 60
  ’63-’79 CORVETTE 14-19 6-8 6-10 55 60
  ’55 CHEVY Dropout 14-18 6-8 6-10 55 60
  7.25″ 11-14 6-7 6-10 55 60
  7.5″ 12-15 6-7 6-10 65 60
  7.625″ 2-Cut OEM 12-15 6-7 3-6 65 60
  7.75″ 12-15 6-7 6-10 65 60
  8″ 2-Cut OEM 12-15 6-7 3-6 65 60
  8.2″ Olds/Pontiac 12-15 6-7 6-10 55 60
  8.25″ IFS 14-19 6-8 6-10 65 55
  8.5″ 14-19 6-8 6-10 65 60
  8.625″ 2-Cut OEM 14-19 6-8 3-6 65 60
  8.875″ 12 Bolt Car 14-19 6-8 6-10 55 60
  8.875″ 12 Bolt Truck 13-15 6-7 6-10 55 60
  9.25″ IFS 15-22 7-9 6-10 75 80
  9.5″ 15-22 7-9 6-10 103 63
  10.5″ PASSENGER 20-35 8-11 6-10 120 136
  11.5″ TRUCK 25-45 10-20 3-10 175 153
  H072″ TRUCK Preset   6-10 120 175
             

TOYOTA

 
Differential Model
Pinion Bearing Preload (New)
(inch/lbs)
Pinion Bearing Preload (Used)
(inch/lbs)
Backlash
(.001 in)
Ring Gear Bolt Torque
(Foot lbs.)
Bearing Cap Torque
(Foot Lbs.)
  7.5″ 12-15 5-6 6-10 70 70
  8″ TRUCK 4 Cyl 12-15 5-6 6-10 70 70
  TRUCK V6 & Turbo 14-17 5-6 6-10 70 70
  Tacoma 14-17 5-6 6-10 70 70
  Landcruiser 14-17 5-6 6-10 70 70
  LC Front 14-17 5-6 6-10 70 70

SUZUKI

 
Differential Model
Pinion Bearing Preload (New)
(inch/lbs)
Pinion Bearing Preload (Used)
(inch/lbs)
Backlash
(.001 in)
Ring Gear Bolt Torque
(Foot lbs.)
Bearing Cap Torque
(Foot Lbs.)
  Samurai 12-15 5-6 6-10 70 70

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Application Guides

Differential Parts Application Guide Use our Application Guides to find parts that are available for your vehicle, Including Ring & Pinion Gear Sets, Installation Kits, Positraction and Locking Differentials, Internal Parts, Axle Shafts and more.

2015 Product Catalog

West Coast Differentials Ring Pinion Axles Rearend Parts Click the thumbnail above to view or download our current catalog. Download a PDF copy and save it on your computer for offline viewing or see the Flipbook version online.