old school observation.... tire whacker
Observed this weekend...18 wheeler operator using a metal rod , strolled around his rig... whacked each tire. No TPMS, no digital tire pressure gauge. The man makes a living driving big rigs. Hm...
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I guess I am still "old school". I thump the rear duels with a small ball-peen hammer and use the hand test for temperature difference for the tires.
