gawd.. you'd think I'd find a clear answer in search, but I'm seeing contradictory answers...
Have new 4.10 gears in my 9" rear with a new ARB.. my conventional thinking was dino (non synthetic) gear oil. But what weight?
how many miles should I run it, drain it, refill it with dino or synthetic again?
How many miles before I can call it broke in?
Have new 4.10 gears in my 9" rear with a new ARB.. my conventional thinking was dino (non synthetic) gear oil. But what weight?
how many miles should I run it, drain it, refill it with dino or synthetic again?
How many miles before I can call it broke in?