Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
Axle Code
The following lists the gear ratios on axles.
- 86 - 3.73 non-limited slip (7.5-inch)
- 87 - 4.10 non-limited slip (7.5-inch)
- 95 - 3.55 non-limited slip (8.8-inch)
- 96 - 3.73 non-limited slip (8.8-inch)
- 97 - 4.10 non-limited slip (8.8-inch)
- F6 - 3.73 limited slip (7.5-inch)
- R5 - 3.55 limited slip (8.8-inch)
- R6 - 3.73 limited slip (8.8-inch)
- R7 - 4.10 limited slip (8.8-inch)
Use the Manual With the Right Hardware
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.
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