My BFG T/A's have a warning on the side that says not to run below 10 PSI. I was thinking along the lines of like 15-20 once I hit the woods. 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