Torco Racing Fuels www.torcousa.com +1 909 980 1495 1720 South Carlos Avenue, Ontario, CA, 91761, USA +1 800 458 8726 2527 W. Dallas Ave., Apache Junction, AZ, 85120, USA Torco Racing Fuels www.torcousa.com +1 909 980 1495 1720 South Carlos Avenue, Ontario, CA, 91761, USA +1 800 458 8726 2527 W. Dallas Ave., Apache Junction, AZ, 85120, USA Every company has a beginning. Before Torco, there was Bob Lancaster---the inventor of the first 20W-50 racing oil. He made this free flowing SAE 50 motor oil in 1948---long before the Society of Automotive Engineers identified this viscosity grade as SAE 20W-50. Contact Us Facebook page Twitter YouTube Instagram Contact Us Facebook page Twitter YouTube Instagram Latest News