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Old 09-09-2019, 08:12 PM   #41
Bad Moon
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M.O.C. #18546
Originally Posted by AZ Traveler View Post
A 125 PSI compressor has a tougher time getting 110 PSI in tires then one at 150 PSI. The higher the differential pressure the faster the fill.

If you already have a 125 PSI compressor or only air your tires to 80 PSI, I would not run out and get a new one.
Donít worry, I wonít. I believe CFM rating, not PSI is the greater factor in speed to fill a tire.
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Old 09-09-2019, 09:47 PM   #42
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M.O.C. #18384
Air compressors are all about cfm's and tank size. Psi over 125 is seldom ever needed. Mfg's like to tout HP and psi, but like water through a straw vs. a fire hose, it's how much volume you move per minute that matters.
2015 3100RL legacy...2005 Ford F-250 CC SB. Tows like a charm! 4/19 Updated to 2017 Chevy 3500 CC SB SRW -hope it tows as well as my F 250 did!
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Old 09-10-2019, 06:02 AM   #43
Dave W
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M.O.C. #14547
I carry a an old Craftsman 12VDC since the tires, TV and 5er only have 80 psig max psig capacity. I do have a P-C pancake as well s an I-R shop compressor for home use if I need air and more cfm there.

Would I like a Vlair - sure but cannot justify the cost to have it, just in case I might need it someday.
Dave W
Traveling with my DW Susan, a couple poodlepups and our 2014 Montana High Country 343RL, being towed by a 6.7 2011 F250 CCLB using a B&W hitch and OEM puck system
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Old 09-10-2019, 06:56 AM   #44
Slow Hand
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funny my tires don't lose air check them before I leave on my trip and they stay fine the entire trip. Same with my truck those tires are always full.. i only check every once in a while. if you check them often than you lose air every time. I carry one but never used it for a tire.
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Old 09-10-2019, 12:35 PM   #45
DebNJim B
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In my first SOB I had a small Craftsman w/3 gal. tank that went to 120lbs. Was ok, but took long to pump up to 80 lbs. Got the Monty w/110 lb tires and got a Bostich pancake that went to 150 lbs. Bostich had better cfm. Both were 110v. Both were heavy and took up space. This spring I picked up a Craftsman 110/12v tankless that also will run on a power tool battery, not included. I like the Viair, but this one was only $65 and it will pump up my tires to 110 in about 10 minutes. I tested it on the spare that was down to 85 psi. It's maybe 1/4 the weight and takes up far less space. A good solution for my needs.
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Old 09-13-2019, 10:48 PM   #46
GreG L.
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For may last trailer I carried an 3Gal Craftsman, it struggled to bring the truck or trailer tires to 60 and 80lbs.

I bought a VIAIR 45053 and am amazed how quickly it brought the tires form 100 to 110, and so small.
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Old 09-18-2019, 05:45 PM   #47
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Harbor freight 150 lbs. Have used it many times to keep 110 lbs in the tires, but when I was using the Marathon 80 lb stock tires, I needed the air gun on the side of the road to swap out tires when they went flat. Also have a nail gun I find useful for other situations
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