I am looking for about 500 RWHP. I do not want a Maggie but was thinking about a Pro Charger , Cam and a tune. I have Long tubes already. Can I do this with a D1 and a mild cam that does not require new springs ?( sugestions on the cam please). I know that alot of people are going to tell me to go with the Maggie this is just my preferance. I will keep the car as my daily driver.