is it a drastic change after u put the clutch in? i meen both ways, do u lose ALOT of topend or just a lil? u said a 1/3 so is ur top speed gonna drop a few mph or like 10? on the other hand, will u gain ALOT of bottom end like stump pulling power or something ur might or might not even feel?..........sorry, if i interupted here but im in the clutch and tire dilema here myself.........