I buy "Complete" concentrate by Fleetguard (a subsidiary of Cummins) and mix 50/50 with distilled water.
------------------
Bill Lins Wharton, TX 98 2500 QC SLT,12 (the CORRECT # of)valves,NV4500,3. 54 LSD,Manik grille guard,Semi-Psychotty Air,Amsoil everywhere, Reading aluminum utility body and bumper,Optima yellow tops- silencer ring & muffler stolen.