andrew383

iTrader: (14)

What truck are we workin with here???

Rjaimw

I have a 04 burban 2500 8.1 3.73. Im not sure what kind of diffs I have I think I have a 14 bolt rear but dnt know if its a 9.5, 10.5, 11.5. And the front I dnt know of I have a 9.25, 8.25. What do I look for or where do i measure? Im guesstamateing i have a 10.5, 9.25

andrew383

iTrader: (14)

The 9.25 is the front diff size and the rear is 10.5..
Check out Rons Machining Service he is a sponsor here and offers great deals to forum members...
Also have you thought about adding a locker to the rear??Most if not everybody here that runs a locker runs a detroit trutrac..

Rjaimw

I saw that and thats what I thought. then I saw a package set front and back on another site and it was a 11.5 rear w/ 9.5 front. Ill order the 10.5 thick?

andrew383

iTrader: (14)

Id call him up tell him what your workin with and he'll know 100%

Rjaimw

I tried to but never got a call back.. Would i need a locker ?

andrew383

iTrader: (14)

You dont NEED one lol but its a great upgrade from the factory unit..

Rjaimw

Thanks for all the help