Diff help

[ibanez890]

hey guys, i took out the diffs on both savages and I'm wondering if someone can help me.

does any1 know what diffs these are? I'm guessing the black 1 is stock, but the metal one?????

http://img193.imageshack.us/img193/740/sdc10010q.jpg

 

[Bankrupter]

yep plastic one is the old one.... the alloy one is the X RTR diff by first glance. if you open it and it has 4 spiders and 2 sun gears, it is.. Less its not

 

[Londoner]

The metal case one is a stock X etc diff by the looks of it

 

[Londoner]

Bank beat me lol burnsauce

 

[ibanez890]

yea there is 4 spiders in it, they are greased but diff oil would be better wouldnt it? what type should i use in the front/back?