Quote:
Originally Posted by groundpounder
The cold spec for my weight is between 50 & 55 so why would I over inflate to 65 or 75 per the vehicle label (noting the vehicle label is at 12,500) or 80 lbs on the tire.
That does seem odd.... You would think it would be more like 60 - 65, Perhaps the manufature is taking other things into consideraton for these "over inflated" pressure? I dont know. Just a thought. For me I usually go with the door sticker (Under Window sticker for RV?) and adjust down or up 5 psi if your light or heavy. I might do when GM Tech said - check tire temps across the entire tread. That would be more accurate but not the norm so I might try it once.
add 5 lbs if running over 65 mph
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I dont Think I ever heard of this? Perhaps thats why the manufactures shows more psi? That way if we go 100 mph we are good? LOL.
Wont your tires build up more pressure (From heat) on thier own at these speeds? Perhaps higher tire heat at 75 vs 65? So you might want to leave PSI alone since they will raise up a few PSI already? Just a thought.
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2017 Axis / 25.4: Big Foot Levelers, Aims 1200 Watt inverter, Ceramic Window Tint, Full River AGM 6V batteries, Front Hellwig Sway bar / Rear Track Arm, Safe T Plus Steering Stabilizer, PD 4655 converter, Hard Wired Surge Guard, WEboost + WiFi Ranger, LED Headlights/Driving lights, TPMS, Surge tank, Tornado flush, Viair Compressor
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