i think that i want a roots blower because i think that i am going to do alot of roll races and alot of stoplight to stoplight kinda things. so i think that a roots would be more what i am looking for right. b/c i hear of all you 03 guys doing a roll race and you just rape them because of the instant torque boost that the roots give you. plus the sound is awsome. and well if i get lets say 10 psi on a D-1sc will i get the same effect or greater that you 03 guys have from a roll? cause i like the get up and go the fastest like the roots then have the top speed that the procharger will most likely give me. well thanks