Hey everyone next posting topic I stumbled across this website www.shopit.wwdb.biz (http://www.shopit.wwdb.biz) was looking for diesel fuel supplements came across this XLP Diesel perfromance Booster... has anyone tried oit before? I just ordered a gallon will keep everyone updated on how it does in my 82 C2500... BTW thanks to everyone who helped me out with my brake problem just changed the master cylinder bled the brakes and we now have brakes.:D