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Thread: Airing Up and Airing Down Tires and I am a dumbass

  1. #1
    Hooked
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    Airing Up and Airing Down Tires and I am a dumbass

    So I think I am clever and build a custom air hose system to air up all four tires at the same time and air all four tires down at the same time. The air hose I build will also balance out the air pressure between all four tires. The air hose is nothing special, one hose into a splitter and then hoses down each side of the Jeep. Has a gauge, and a dump valve so I know what the pressure is.

    20190224_183411.jpg


    Every thing stores good in a bag. So you might be wondering how am I a dumbass. So after I get all done and do a test run and everything works fine...No problem. I then realize as I walk past the spare tire, that I am caring a 37 in tire that is basically a big air tank. If I max out the tire pressure in the spare tire and add a pig tail to my existing line, that when I get done wheeling and need to air up, by attaching the spare to the equation, It will add about 12 pounds to the other four tires. As the tire equalize in pressure, I will get out the portable air compressor and attach it to the air lines and then unhook the spare. Then my portable air compressor will only have to add about five pounds to each of the four tires. When I get home, I can use shop air compressor to fill the spare back up to max pressure. So just when I thought I was done building the air hose, back to the hardware store I go tomorrow.

  2. #2
    Old Timer longarmwj's Avatar
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    Why would you use the air in your spare to inflate the tires, then use the compressor to air back up the spare when you could just use the air compressor.....to air up the tires?


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  3. #3
    Been Around the Block Bustedback's Avatar
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    You’re not gaining anything by using the spare as an air tank. It’s easier just to use the compressor.


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  4. #4
    Knows a Thing or Two MericaMade's Avatar
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    Sounds like a good idea if your compressor crapped out on you and you needed to air tires up just to get you home, but also seems like a lot of work, The idea of filling 4 tires up at a time sounds good but I would think you would spend more time untangling and connecting all four tires at once rather then one cord and one tire at a time. Takes me about 15 minutes to air up 4 37's with my shittybuilt compressor.

  5. #5
    Old Timer fiend's Avatar
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    The spare tire can’t hold enough air at sufficiently high pressure to make it a useful “tank” to air up the other tires.


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  6. #6
    Knows a Thing or Two rubiDave's Avatar
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    If you're running beadlocks you don't want to "max out" the pressure or one day it may go boom.

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  7. #7
    Meme King WJCO's Avatar
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    My head hurts.
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  8. #8
    Old Timer fiend's Avatar
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    Quote Originally Posted by WJCO View Post
    My head hurts.
    That’s what happens when you huff air from your spare tire.


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  9. #9
    Knows a Thing or Two Evil's Avatar
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    Quote Originally Posted by WJCO View Post
    My head hurts.
    I read that too

  10. #10
    Nothing but a Thing Snboarder113's Avatar
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    whats max psi, like 50 something? an actual air tank is like 125-150psi. I doubt you would get your estimated 10-15 per tire. Just not enough CFM at that low of a pressure.

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