Common questions

How much fluid do I put in a Dana 80 rear end?

How much fluid do I put in a Dana 80 rear end?

Dana 80 Differential Specs Ford calls for 4.2 quarts, Dodge calls for 3.4 or 5.0 quarts depending on the application – always fill differential until oil reaches the fill plug level. Limited slip differentials may require an additive, refer to owners manual.

How strong is a Dana 80?

Dana 80’s are made as full floating, rear axles only and are step up in overall strength compared to the Dana 70. 1988 Ford was the first company to use the Dana 80. The Dana 80 has a GAWR up to 11,000 pounds (5,000 kg), however it is common practice among manufacturers to derate Dana 80’s.

How much power can a Dana 80 hold?

A Dana 80 front axle without the adjustable knuckles will run about $6,240. Exact pricing will vary depending on your choice of locker or limited-slip, axleshafts, brakes, etc.

How much oil is in GM rear end gear oil?

Gear oil is the life blood of your differential. GM rear end gear oil has been the choice of restorers and weekend warriors for years to protect expensive to repair components. All GM 10 and 12 bolt rears take 3 23 ounce bottles of of this oil.

How big is the rear differential fluid capacity?

From buying research to owner support, join 1.5 MILLION GM Truck Enthusiasts every month who use GM-Trucks.com as a daily part of their ownership experience. Rear Differential Fluid Capacity?

How many pints of oil does rear axle hold?

My rear axle took just over 2 quarts, or almost 5 pints, it was completely dry assembly. If you have 4 quarts in there, it is way overfull. Heck my trucks big old Dana 70 doesn’t hold 4 quarts. The owners manual calls for 4.5 pints on my 8.5 ten bolt.

How much gear oil does a GM Camaro take?

Gear oil is the life blood of your differential. GM rear end gear oil has been the choice of restorers and weekend warriors for years to protect expensive to repair components. All GM 10 and 12 bolt rears take 3 23 ounce bottles of of this oil. Plus, positraction rears will take 2 bottles of posi additive.

How much oil to put in rear differential?

*75w-140 recommended in rear differentials for warm weather towing applications. For axles with the Trac-lok differential add 2 oz. of limited-slip additive. The numbers on the bottles all relate to the thickness of the oil at certain temperature thresholds. With 0 being the viscosity of water, higher numbers mean thicker/slower flowing oils.

Is the front differential the same as the rear?

The front differential is a traditional hypoid gear design very similar to the rear differential but in a smaller size. Our recommendation: same as BMW. The ATC transfer case has a proprietary blend and we do not offer an alternative at this time.

How much limited slip additive for Trac Lok differential?

For axles with the Trac-lok differential add 2 oz. of limited-slip additive. The numbers on the bottles all relate to the thickness of the oil at certain temperature thresholds. With 0 being the viscosity of water, higher numbers mean thicker/slower flowing oils.

What does GL mean for transmission and differential fluid?

The American Petroleum Institute (API) issues GL ratings. The fluid must be compatible with the various metals used in transmissions and differentials. So while a higher GL rating means better fluid shear resistance, it may be harmful to certain types of metal (brass synchro rings for example).

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Ruth Doyle