Factory part number for the tranny fluid is 10w30 motor oil. The owners manual is a misprint, it says to use GL5 75 90 gear oil. GL5 has sulfur and will corrode brass syncros. Strait 30 wt rotella is actually recommended for HD gearboxes and transmissions.


Eating fried chicken and watermelon since 1972.

You tell me how I ought to be, yet you don't even know your own sexuality,, the philosopher,,, you know so much about nothing at all. Chuck Schuldiner