What kind of transmission fluid do you use for 1990 ford mustang 5.0L manual Tranny?
A 1990 Ford Mustang 5.0L with a manual transmission uses GL-3 SAE 75W-90 gear oil. However, it's crucial to double-check your owner's manual. The specific recommendation might vary slightly depending on the exact transmission type (e.g., T-5, World Class T-5). Using the wrong fluid can damage your transmission.