Thank you kindly guys. Just can't buy the mineral stuff at the local auto supply these days I guess...times change.
I'm gonna return the Sta-Lube back to napa and next time I head out of town, I'll stop by s tractor supply and get some 90w like you shared.
Thanks
1956 Ford F250 pickup truck.
Which weight of non sulfur (GL-4) gear oil would you recommend for T98 4 speed trans and Dana rear?
How about this stuff??? California.