You can use the SVT injec/LIM/UIM/TB/MAF on the car, and you will gain power. Not as much power as an SVT but you will get more power. But if you use the SVT inject. you will need a tune because as mentioned before, you will send too much fuel and run real rich.
My suggestion since you bought all that stuff already, is to buy an Xcal2 from Brent White at Brenspeed.com Tell him everything that you have done to the car and he can set you up with the xcal2 and a tune, specifically for your set-up.
You do not need a laptop to use an XCAL2. You need a laptop only if you plan on datalogging.
You need a pc only, if you get the PRP software.
The Xcal2 is a stand-alone tuner (with many upgrades available for it, like the PRP)
