Ford Mustang Differential Oil Recommendation
The recommended differential oil for a Ford Mustang varies depending on the specific model and type of differential. However, a common recommendation is to use 75W-140 gear oil for the factory 8.8 unit. It is also important to use a friction modifier if the Mustang has a T-lok differential. The amount of gear oil needed can vary, but it’s typically around 3 quarts for a standard fill. It’s important to consult the owner’s manual or specific guidelines for the Mustang’s differential to ensure the correct type and amount of oil is used.
If you have a specific model or type of differential in mind, it’s best to refer to the manufacturer’s recommendations or consult with a professional to ensure the correct differential oil is used for your Ford Mustang.
Contents
- What kind of fluid does a 2015 Mustang GT differential take?
- Does it matter what differential fluid you use?
- What kind of differential fluid does a 2017 Mustang GT take?
- What kind of oil goes in the rear differential?
- What is the difference between diff and gear oil?
- When should I change the differential fluid in my Mustang?
- What is the best gear oil for a Mustang?
- What differential oil should I use?
- What’s thicker 75W90 or 75W140?
- What kind of oil does a Ford rear end take?
What kind of fluid does a 2015 Mustang GT differential take?
75W-85-
The Factory Fluid is only a 75W-85-viscosity oil which is great for fuel mileage but not so great during a 20 minute on track session where the differential is working overtime to send power to the rear wheels.
Does it matter what differential fluid you use?
The best way to determine which differential fluid is correct for your application is to reference your vehicles owner’s manual. Using the appendix, locate the section under fluids, transmission fluid, transfer case fluid, or lubrication.
What kind of differential fluid does a 2017 Mustang GT take?
SAE 75W-85Mustang Differential Fluid Specifications
| Year Model | 8.8″ Rear End *Includes IRS | 7.5″ Rear End |
|---|---|---|
| 2017 Mustang | SAE 75W-85 | N/A |
| 2018 Mustang | SAE 75W-85 | N/A |
| 2019 Mustang | SAE 75W-85 | N/A |
| 2020 Mustang | SAE 75W-85 | N/A |
What kind of oil goes in the rear differential?
There are two types of differential fluid. One is mineral oil, which is a natural, crude oil-based fluid. The other is synthetic differential fluid, which is created in a lab. As with all synthetic oils, synthetic differential fluid oils can be fine-tuned for optimal performance.
What is the difference between diff and gear oil?
For example, differential oil may contain friction modifiers to reduce friction and improve fuel efficiency. In contrast, gearbox oil may contain detergent additives to help clean and prevent the buildup of deposits in the transmission system.
When should I change the differential fluid in my Mustang?
While many people remember to change the engine oil in their classic Mustangs, they often forget about changing the gear oil in their differential. Although it doesn’t need to be changed as frequently, it should be swapped out every 30,000 – 40,000 miles, depending on your driving habits.
What is the best gear oil for a Mustang?
Royal Purple Max Gear 75w90 weight oil is recommended for use in 1979 to 2024 Mustangs and is compatible with other oils. Three (3) quarts of gear oil are required to fill a 8.8″ Ford rear end.
What differential oil should I use?
75W90 GL-5 Gear Oil
The go-to gear oil for most differentials.
What’s thicker 75W90 or 75W140?
So, the difference between “75W90” and “75W140” is that at operating temperature, the 75W140 will be considerably thicker than the 75W90 but at room temperature they will be about the same viscosity.
What kind of oil does a Ford rear end take?
Rear Axle Oil SAE 75W-85.
