HAHAHA, I gave my budget up a long time ago. Try getting a new perfomance chip or a ROW DME, I think you could just swap it in but Im not sure. Also I have heard good things about WEB CAMS #274 grind
http://www.webcamshafts.com/
Its gonna be really hard to make more power on a buget, you wanna go fast you gotta pay
HP=time +$$$$$$$$