Posted: 2/23/2025 10:19:07 PM EDT
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I'm trying to make a decision on a compressor. There are a couple of options for mounting an ARB dual unit under one of the front seats. Is onboard worth the extra money, or will I be better off with something like a morrflate, or EZ-flate portable? I like the idea of onboard, having it ready to go all the time, but it's two, or three times the cost. And the portables seem to flow 2x or 3x as much air (with a shorter duty cycle however). Dragging out the compressor/hooking up the power all the time seems like a pain. Any wisdom from people who have used both? TIA! |
| I have an on board Viair air tank and compressor on an offroad truck. Runs my locker and I ran air chucks to each wheel well and one under the back bumper and have put it through hell and it just keep on going. |
"Donald Trump encourages and protects frightened US Secret Service members who cling to his massive balls as he leads them to safety after failed assassination attempt."
I'm selling dime bags of primers.
I'm selling dime bags of primers.
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What size tires? What's your normal psi and what's your offroad psi? Depending on how long you want to wait for it to take to add air to your tires when you get back on the pavement, you might want a more powerful compressor with more cfm (like a viair setup), or if you can sacrifice a little time you can get something that's still half decent but saves you money. The DeWalt 20v portable compressor is pretty inexpensive. You could probably keep two on hand to speed up the process. Retail is $139 but they go on sale frequently. Can run off 20v battery, 12v car outlet, or 110v (but you need a plug). Plus you can use it for an air mattress. https://www.dewalt.com/product/dcc020ib/20v-max-cordedcordless-air-inflator  |
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Originally Posted By DD1801: What size tires? What's your normal psi and what's your offroad psi? Depending on how long you want to wait for it to take to add air to your tires when you get back on the pavement, you might want a more powerful compressor with more cfm (like a viair setup), or if you can sacrifice a little time you can get something that's still half decent but saves you money. The DeWalt 20v portable compressor is pretty inexpensive. You could probably keep two on hand to speed up the process. Retail is $139 but they go on sale frequently. Can run off 20v battery, 12v car outlet, or 110v (but you need a plug). Plus you can use it for an air mattress. https://www.dewalt.com/product/dcc020ib/20v-max-cordedcordless-air-inflator https://www.dewalt.com/NAG/PRODUCT/IMAGES/HIRES/Ecomm_Large-DCC020IB_3.jpg?resize=530x530 35’s. These are brand new tires for me, and I’ve only been off road once with them. Still trying to work out the best pressures. I’m doing 38 on the road, and tried 15 off. Seemed to work well. |
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Originally Posted By Dr_Nimslow: 35’s. These are brand new tires for me, and I’ve only been off road once with them. Still trying to work out the best pressures. I’m doing 38 on the road, and tried 15 off. Seemed to work well. Originally Posted By Dr_Nimslow: Originally Posted By DD1801: What size tires? What's your normal psi and what's your offroad psi? Depending on how long you want to wait for it to take to add air to your tires when you get back on the pavement, you might want a more powerful compressor with more cfm (like a viair setup), or if you can sacrifice a little time you can get something that's still half decent but saves you money. The DeWalt 20v portable compressor is pretty inexpensive. You could probably keep two on hand to speed up the process. Retail is $139 but they go on sale frequently. Can run off 20v battery, 12v car outlet, or 110v (but you need a plug). Plus you can use it for an air mattress. https://www.dewalt.com/product/dcc020ib/20v-max-cordedcordless-air-inflator https://www.dewalt.com/NAG/PRODUCT/IMAGES/HIRES/Ecomm_Large-DCC020IB_3.jpg?resize=530x530 35’s. These are brand new tires for me, and I’ve only been off road once with them. Still trying to work out the best pressures. I’m doing 38 on the road, and tried 15 off. Seemed to work well. I should have also asked, what is your rim size? (to figure out the volume of air you are trying to fill). In regards to 15 psi offroad, you are getting close to needing beadlocks. Just look in to that if you haven't considered how low to drop your air pressure. |
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Originally Posted By DD1801: I should have also asked, what is your rim size? (to figure out the volume of air you are trying to fill). In regards to 15 psi offroad, you are getting close to needing beadlocks. Just look in to that if you haven't considered how low to drop your air pressure. I’m running 255/85/17’s. I tried 15, to see how much it would come up if they got warm. Ended up 18-19. I’ll keep messing with it and hopefully find the sweet spot. |
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Originally Posted By deerranger: https://www.ar15.com/media/mediaFiles/413300/1000006877_jpg-3472981.JPG This is the answer I love mine |
“Talking about shootin a man’s gun?”
Here's my setup.  It's a combo of a few companies. SSW dual cylinder compressor. Mine is an older version, that you cant set pressures on, than what they currently sell. https://sswoffroad.com/products/ssw-digital-dual-air-compressor FrontRow OffRoad (out of Canada) 4 tire hose kit 170" wheel base. I use this to air down and air back up. https://frontrowoffroad.com/product/product-1/ Morrflate 7.5' extension hose with Maxi Trac fittings. https://morrflate.com/shop/morrflate-accessories/morrflate-extension-8/ You might ask, why use that hose extension and not an adapter? I tried FrontRow's adapter and burned my leg on it. It gets crazy hot. The Morrflate extension hose doesn't get flesh burning hot in use. https://frontrowoffroad.com/product/japanese-to-standard-air-coupler-adapter/ I think the FrontRow 170" wheel base hose is priced right at $200 + shipping. I can air up my 2 door Jeep and 4 door F150 with it. To get that length with the Morrflate Hose kit you need to spend $245 for the 200" setup. https://morrflate.com/shop/morrflate-multi-tire-air-kits/morrflate-mega-quad-4-tire-up-to-200-wheelbase/ A few guys in my off road club are using Rhino China (RhinoUSA) 4 tire hose kits and the price isn't bad at $150 but it's a little shorter at a wheelbase of 155". https://www.amazon.com/Rhino-USA-Inflation-Deflation-System/dp/B0DD1PW7Q1 Napa, Morrflate, SSW are all very similar compressors that work best with a 4 tire hose kit. Some say only filling 1 tire at a time with a dual cylinder compressor is bad for the compressor. I think all these compressors are made by the same company in China. Morrflate is really popular in this area. Whenever, I've tried to order a compressor from them in the past they were always out of stock. I think the least expensive dual cylinder compressor is the one from Napa at $151. https://www.napaonline.com/en/p/BK_MTWM10215C? Napa finally has them back in stock after not having them for about 2 years. This past Saturday, I used my setup to air up the tires of my Jeep and 4 other Jeeps (20 tires from 15psi to 32-35psi). Giving the compressor a break while attaching it and the hoses to the other vehicles. The only down side to these compressors is that they are heavy. I don't have room to mount mine permanently in my Jeep. |
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Originally Posted By H1-HUMMER: Simple push a button, tires air up push a button, tires deflate if it goes below 5psi an audible warning is given. if it goes over 50psi an audible warning is given. look no valve stems  https://i.imgur.com/twkxQck.jpeg Overnight leaks are acceptable per the manufacturer.  (technically you have to hold the button down to deflate) |
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I have the ARB dual compressor under the passenger seat in my JK. I would have gone with a portable, however a friend of mine bought the compressor, lost it, bought another, then found it. So he had a second one sitting around collecting dust. While i was building my Jeep up he offered it to me after i put 35in tires on it and was researching locking diff options and gear ratios. I have it mounted under my passenger seat using a teraflex mount. It has the ARB overpriced manifold, and then i went to harborfreight for the fittings and a coiled hose. For my inflator i have a AstroAI with digital readout. I have only used it twice, oh boy is it fast for what it is! I nearly mounted it in a pelican case to make it more useful. But with the Jeep, it already has limited space. I fill the back up with recovery gear, and then top that off with stuff i want to shoot. In the summer i also run the soft top and prefer to run with the top down as much as possible. Having it mounted makes the most sense. it's always with the jeep that way. The air chuck, i went lazy with it. I used a swivel adapter from hf and then put a air cluck on that. It doesn't leak yet... lol Airing up the jeep, the hose comes out of the rear doors and has no problem reaching all four tires. |
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Originally Posted By TexasWildcat: i went from compressor to powertank. faster. easier. quieter. will run air tools if needed. you do have to deal with getting it inspected every so often and getting it filled but thats a small price to pay. now my compressor is just for backup. This is the only way to go. So much faster |
It’s a Jeep thing...
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Originally Posted By drobs: Here's my setup. https://www.ar15.com/media/mediaFiles/41568/Tire_inflation-3475032.jpg It's a combo of a few companies. SSW dual cylinder compressor. Mine is an older version, that you cant set pressures on, than what they currently sell. https://sswoffroad.com/products/ssw-digital-dual-air-compressor FrontRow OffRoad (out of Canada) 4 tire hose kit 170" wheel base. I use this to air down and air back up. https://frontrowoffroad.com/product/product-1/ Morrflate 7.5' extension hose with Maxi Trac fittings. https://morrflate.com/shop/morrflate-accessories/morrflate-extension-8/ You might ask, why use that hose extension and not an adapter? I tried FrontRow's adapter and burned my leg on it. It gets crazy hot. The Morrflate extension hose doesn't get flesh burning hot in use. https://frontrowoffroad.com/product/japanese-to-standard-air-coupler-adapter/ I think the FrontRow 170" wheel base hose is priced right at $200 + shipping. I can air up my 2 door Jeep and 4 door F150 with it. To get that length with the Morrflate Hose kit you need to spend $245 for the 200" setup. https://morrflate.com/shop/morrflate-multi-tire-air-kits/morrflate-mega-quad-4-tire-up-to-200-wheelbase/ A few guys in my off road club are using Rhino China (RhinoUSA) 4 tire hose kits and the price isn't bad at $150 but it's a little shorter at a wheelbase of 155". https://www.amazon.com/Rhino-USA-Inflation-Deflation-System/dp/B0DD1PW7Q1 Napa, Morrflate, SSW are all very similar compressors that work best with a 4 tire hose kit. Some say only filling 1 tire at a time with a dual cylinder compressor is bad for the compressor. I think all these compressors are made by the same company in China. Morrflate is really popular in this area. Whenever, I've tried to order a compressor from them in the past they were always out of stock. I think the least expensive dual cylinder compressor is the one from Napa at $151. https://www.napaonline.com/en/p/BK_MTWM10215C? Napa finally has them back in stock after not having them for about 2 years. This past Saturday, I used my setup to air up the tires of my Jeep and 4 other Jeeps (20 tires from 15psi to 32-35psi). Giving the compressor a break while attaching it and the hoses to the other vehicles. The only down side to these compressors is that they are heavy. I don't have room to mount mine permanently in my Jeep. I plan to mount mine between back drivers window and the cage side, will utilize 2 of the hard top bolts and/or possibly the 2 bolts on the inside down bar in back @drobs |
Originally Posted By TacticalGarand44:
Bring it. Our side has a hundred billion bullets. Your side doesn't know which bathroom to piss in.
Bring it. Our side has a hundred billion bullets. Your side doesn't know which bathroom to piss in.
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Ok, you M18 inflator people weren't lying. I picked one up last weekend, and this thing is legit. I may go with my original plan of the ARB onboard dual compressor at some point. But for the limited amount of airing down/up I'm doing right now, this M18 will do just fine. About 5 minutes per tire from 18 to 39 PSI for my 35's, and all four don't kill a new battery below about half. I'm also pretty impressed with the set of Staun deflators I picked up. |
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Originally Posted By Dr_Nimslow: Ok, you M18 inflator people weren't lying. I picked one up last weekend, and this thing is legit. I may go with my original plan of the ARB onboard dual compressor at some point. But for the limited amount of airing down/up I'm doing right now, this M18 will do just fine. About 5 minutes per tire from 18 to 39 PSI for my 35's, and all four don't kill a new battery below about half. I'm also pretty impressed with the set of Staun deflators I picked up. Powertank or a diy version and your at less than 5 minutes total for all 4 tires. |
It’s a Jeep thing...