In 2002 Shell bought Pennzoil and Quaker State. Quaker State owned Slick 50. Shell tried to sell Slick 50 but got no takers. They then reformulated it removing the Teflon. It now does no harm but does not help either.
Kymco People S 250
2012 Honda Shadow Spirit
hexnuts...a curse put on your balls by a mean gypsy
3/5 Cav, C Troop, BlackKnights, Vietnam 1969