Back in the early 70s while working in a gas station, a girl came in grumbling that the station up the street wanted $20 to take out the summer air and put in winter air! I did it for free and got a $5 tip![emoji3]
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2012 SunSeeker 3100SS Toad-1962 Futura Average 100 + days camping
If your going to use your rig during the colder winter months, it's best to leave the summer air in the tires.
Summer air is lighter in weight than dryer winter air.
Thus you will be getting better gas mileage if you keep the lighter summer air in your tires.
Less weight = better mileage.
Grumpy
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Steve & Cheryl + Zoey, and Ziggy, our furry kids.
2012 Forrest River Lexington 283ts
Toad, 2013 Subaru XV Crosstrek
If your going to use your rig during the colder winter months, it's best to leave the summer air in the tires.
Summer air is lighter in weight than dryer winter air.
Thus you will be getting better gas mileage if you keep the lighter summer air in your tires.
Less weight = better mileage.
Grumpy
And here I thought that summer air would melt the ice on the road...
I could never figure out how summer air has more moisture in it, as it gets colder from the ambient temperature the water condenses and then freezes. It seems since ice takes more space than water your tires will be overinflated.
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Richard & Jill
2014 Flagstaff 832IKBS Classic Super Lite
2018 Silverado 1500 Crew Cab Z71 4WD All Star Edition
Camping since 1989, Seasonal since 2000.
Car Shredder Op/Tech, Scrap Metal Recycling - retired