i am new and have never posted on anything but face book. so be kind. have a 1700 lb sand rail with a 97 park ave supercharged 3.8 3 inch intake and e bay headers knock off flow master 3 inches all the way out. a computer that is not tuned to this motor. before i drop 500 bucks on the tune , what do you people think i should do that is easy and cheap. it is scary fast but i know there is more. i am looking for easy mods before the tune. we go to the dunes often. today is june 16 20 i can do internal motor work next winter.