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Yesterday I went to NAPA and got a dual chuck air nozzel; works great (on my Dodge dually). As for air pressure, I go by the sticker on the door, even though the tires say max 80 psi, the truck makers are smarter than I am. Some trucks like the Dodge dually have a supplemental pressure sticker. Mine says 65 psi front/ 45 psi rear medium load. 65 psi front/ 65 psi rear max load. (all pressures are cold tires). After getting the pressures set, I put on the Pressure Pro's. You would be amazed between in the morning and in the afternoon with the sun out. 3 psi difference just sitting still. Remember, most tire failures are from low pressure. now with the PP's I can monitor all 10 tires and even the spares if I add two more pressure sensors. Kerry
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