locking the rear diff will stop the car spinning out,susp is apersonal thing i suppose i go with low and hard for drifting.
For tyres you can wrap ur tryes in electric tape(black insulation stuff) or check ebay for pvc drift wheels they use the same hexes as most companies do.

how do u drift?lol
for quick try use the tape method to get started it takes a while to pick up just feather the throttle while turning once shes out wide start feathering the throttle to keep the drift going.
get some video up when ur sorted bro