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.

PINION BEARING PRELOAD R.G.BOLT BEARING CAP
DIFFERENTIAL NEW USED BACKLASH TORQUE TORQUE
MODEL (Inch Pounds) (.001 inch) (Foot lbs) (Foot lbs)

AMC

MODEL 20 14-19 6-8 6-10 65 65
MODEL 35 12-15 6-7 6-10 55 55

CHRYSLER

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
10.5″ 15-25 10-20 5-7 175 122
11.5″ 25-45 10-20 5-7 175 175

DANA SPICER

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

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

OLDS/PONT D/O 14-19 6-7 6-10 55 60
63-79 CORVETTE 14-19 6-8 6-10 55 60
55 CHEVY D/O 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/PONT 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
9.25″ IFS 15-22 7-9 6-10 75 80
8.875″ 12 Bolt Car 14-19 6-8 6-10 55 60
8.875″ 12┬áBolt Truck 13-15 6-7 6-10 55 60
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

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

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Ring & Pinions

Sierra Gear

Sierra Gear and Axle produces a premium line of aftermarket ring and pinion sets. These are available for Chrysler, Dodge, Ford, GM, Jeep, Toyota, and Suzuki. These gear sets are designed and engineered to the highest quality specifications for use on the street, off road or on the track.

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  • Rancho Cordova, CA 95742
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  • Fax: 916-635-1105

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