Can I Use 80W90 Instead of 75W90: Ultimate Comparison Guide.
No, 80w90 cannot be used instead of 75w90 as they have different viscosities and performance specifications. Choosing the right gear oil is important for the longevity and performance of your vehicle’s transmission and differential. The numbers in gear oils refer to their viscosity grade and their ability to withstand different temperatures. 75w90 and 80w90 are … Read more