Redline also offers a MTL manual transmission fluid that is a 75W/80W GL-4 gear oil.

automarc do you think that MT-90 is better for my application than the MTL?

I feel I am definitely going to go with one of Redlines manual transmission gear oils from the reading I have done on other forums.


1954 GMC 1/2-ton Longbed
1971 Pontiac LeMans Sport