Listers, I fill my tires with FART's (Flatulent Air Removed from Tush). It added 8.3 WHP to my runs at BIR earlier this week. Douglas in MN 95.5 //S6Avant - mine 98 Mercury Mountaineer - her work sled 98 Toyota RAV4 - for sale 73 BMW R60/5 - lonely in the garage