Pete, PB B'Laster is a penetrant, like Kroil. I've used Kroil and I think B'Laster is much better than Kroil. Look in your auto parts store. Dan Nees cookiedan@domain.elided The "Good" 1979 Scout II 345/auto The "Bad" 1971 Scout II 304/T-18 And the "Ugly" 1979 Scout II 345/auto http://members.tripod.com/~IHCaholic/scoutindex.html