hey guys i just wanted to know what i can do to strengthen my motor, ive only got the 260kw ba xr8 5 speed manual, what i want is for my car to be a tuff streeter so im goin to super charge it, know ive already got the under drives, throttle body spacer,k&n air filter, ive just blown my second diff so it now has 3,7s and new half shafts 2.5 stainless cat back got some pacemaker extractors and hi flow cats on order, what do i need to do to make my motor handle a super charger, i know it will cost alot but im willing to pay for power, ive been told i should be using a 290kw block? my 260 has already done 110,xxx, any help would be great