Can I Use 80W90 Instead Of 75W90. #4 · jul 16, 2009. Yes, it can be used interchangeably.
80w90 is also better for gears than conventional gear oil. Yes, it can be used interchangeably. However, if your vehicle is for heavy jobs like towing then you are better off with the 140 as it is fully synthetic.
Can I Use 80W90 Instead Of 75W140?
Dumb question but why is the 75w90 gear oil rated for the warmer temperture and the 80w90 for the colder temp. Yes, you can mix 75w90 with 80w90. From the 2008 owners manual.
Every Lubricant Possesses Some Physical And Chemical.
Yes, it can be used interchangeably. Yes, you can mix these oils and use the mix, but it is always advisable to consult your car manufacturer’s manual. I read up about lots of people with complaints of a whining differential with the synthetics.
My Truck Says 80W90, Wouldn't Mind Having A Synthetic In There.
I would think your oil change interval would be reduced by half, so 50k miles instead of 100k. They probably knew full well that 75w90 syn > 80w90 dino. 2017 f150 cc/5.5' 4×4 3.5 ecoboost/3.55.
Yes, It Is Absolutely Fine To Use 75W90 Instead Of 80W90 Gear Oil.
The 75w90 and 80w90 are synthetic oils featuring the modern additive system. It is also essential to consult your mechanic before you mix. Grodyman on 03/16/11 12:23am why is it that an aam 11.5 axle behind a high output cummins turbo diesel can take 75w90 whereas the ford sterling 10.5 says only to use 75w140?
Is It Safe To Use 75W90 In Place Of 80W90?
While synthetic oils are better for engines than regular oil, ep gear oils are the best type of gear oil. An 80w90 will have a higher viscosity base oil blend and much less polymer vii to shear. However, if your vehicle is for heavy jobs like towing then you are better off with the 140 as it is fully synthetic.