I have my tires on my pickup at 60 psi ( higher than recommended here I know) but I like the lower rolling resistance and actually like the feel of sensing every little crack in the pavement. it also makes me more diligent about avoiding potholes. anyhow, after a couple of days my left front will be down in the 50s and after a week the 40s. any good way to fix this? i would prefer not to have to go to the filling station every day to top it off.