I air down my pirelli Scorpions to 18 psi. Does a great job but tears up the tires on rocky hills!

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John O'Polka
http://www.SWXC.org Member #28
Texas Motorized Trails Colition (TMTC) Member #940
2001 SE 4x4
Goldrush smile
jgopolka@swbell.net
http://www.geocities.com/opolka_2000/
http://albums.photopoint.com/j/AlbumList?u=1435837
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John O'Polka
His and Hers Mustang GT's Extreamly modified! Big cams and NOS