what gear oil

[scarecrow734]

its time for some fresh gear oil. right now i am running amsoil 80w90. what does everyone run for gear oil in the front and rear diffs? i did a search but dident come up with much. i was thinking of going to 75w110 or 75w140. the truck is over 500rwhp and i do tow with the truck.

 

[BigPapa]

Schaeffer 85W90 and 2 bottles friction modifier.

Scott

 

[pierce460]

Lubrication Engineers - Duolec Vari-Purpose Gear Lubricants (1601-1609)

 

[duallyspeed]

I use this.
AMSOIL Synthetic Gear Lube - Gear Oil

 

[a24vc]

Schaeffer 85W90 and 2 bottles friction modifier.

Scott

Schaeffer has really good products

 

[jkurtz359]

I use Amsoil severe gear 75w-90. I use it front and rear.