Besides Tractor Supply, NAPA also carries 90w Mineral gear oil API GL-1. Besides, do you really want to use a oil designed for Fjord Tractors in your Chevy gear box ? Ewww! LOL

Last edited by cmayna; 08/13/2020 4:56 PM.

Craig

My '50 Chevy 3100 5 window, '62-235cu, 3:55 rear
My truck ....... Respect The Rust
If I'm not working on my truck, '65 m00stang or VW camper, I'm fishing with the wife or smoking Salmon.