Ok, im gonna go get new diff oil tonight, but im fairly new to the hobbie so please take that in consideration if my questions seem nuby.

Right now im runing the diff oil that came with the STR kit which is Front = 4000wt Center = 7000wt Rear = 3000wt.

Now a racer i know runs Front 10,000 Center 20,000 and Rear 3,000 does this seem like a good combination, the only reason i question is because the weight seem alot different in the front and center than what came with the kit. What hes doing is basicly sending more power out to the rear tires with this combination correct? Do you think thats to much for the front and center? Sorry for all the questions but thank you for the help.