i need some seious help on improving my gas mileage. i recently placed a 600cfm holley and an edlebrock performer intake. I need something cheap and maybe something that can give me that throaty sound that all v8's should be looking for. legalness is not a concern but money is i have very very little to spare but i can barley afford gas now so any ideas will help. plus is there a spot in my exhaust where i can drill a whole to make a good solid noise and will that burn up my valves? or is that just a bad idea
well thanks i apprecaite the help