hey i've just bought a 2ltr twin cam saph which i'm picking up on monday,

just asking some advice on things too look out for and easy ways of getting more power out of the engine,

also it says it has a xr4x4 rear diff in it ????? would that make it a stronger diff ???

all i know is its red and has a LSD

a little bit of info would be greatly recieved

regards shane