The similarity is that 75w90 and 75w140 have the same viscosity at low temp Use 75w90 , if you don't mind the extra goo Gear oils rated at 75…
Front and rear differential fluid in WRX/STI - YouTube
You’ll learn the fundamental differences between these lubricants, explore the specific scenarios where each is recommended,.
I used valvoline synpower synthetic 75w90 in the rear diff from it's first gear oil change
In the 6 speed transaxle, i. 75w90 comparison shows their differences and areas of use Key takeaways include their similar low viscosity index,. Choose the perfect one for your vehicle transmission.
Both 75w90 and 75w140 contain the same viscosity at low oil temperatures Is it ok to use 75w140 instead of 75w90 in a 2003 wrx calls for 90 but i’m being told that it’s fine to use 140 No need for the thicker synthetic oil unless you are long distance racing Street driving wont tax a good diff oil
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Discover the essential guide to choosing the right differential fluid weight for your vehicle
Are there any pros or cons when choosing weights for a rear differential gear oil,like 75w90 vs 80w90 vs 75w140 vs. So i accidentally mixed one quart of 75w90 with one quart 75w140 in my rear diff (it's a dana 44 rubi), i would run it but i.
