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Air Compressor/Inflator for the 4Runner

Discussion in '5th Gen 4Runners (2010-2024)' started by BeavertonCommuter, Oct 15, 2021.

  1. Oct 15, 2021 at 1:42 PM
    #1
    BeavertonCommuter

    BeavertonCommuter [OP] New Member

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    Im looking at the four compressors below and would appreciate any user feedback. I've got stock sized Falken Wildpeaks and will be doing plenty of airing down through the fall and into the winter.

    VIAIR 300P Portable Compressor - $186
    VIAIR 400P Portable Compressor - $230
    Ironman 4x4 AIR CHAMP PRO 5.65CFM - $199

    Smittybilt 2781 5.65 CFM - $212

    The VIAIR's, of course, have great reviews here and Ive seen a few for the Smitty as well, though not much on the Ironman. Ive included Ironman because their ship is 15 minutes from home and their price competitive with coupons available to bring the price down further.

    Appreciate any feedback.
     
    Thatbassguy likes this.
  2. Oct 15, 2021 at 1:48 PM
    #2
    SlvrSlug

    SlvrSlug Slightly bent.

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    I believe the Ironman is a rebranded Smitty.
     
  3. Oct 15, 2021 at 1:56 PM
    #3
    Slopemaster

    Slopemaster Slope Survivalist

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    Not on your list but I have a Viair88P, used it once, it seems like a good quality portable compressor.

    Your right, the Viair get pretty good reviews online.
     
  4. Oct 15, 2021 at 2:01 PM
    #4
    Jynarik

    Jynarik I like boobies

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    I’d just pick the one with the best warranty. I have ARB on board so can’t comment on those. But I will say if you plan on getting bigger tires and wheeling, spring for ARB twin compressor
     
  5. Oct 15, 2021 at 2:05 PM
    #5
    Thatbassguy

    Thatbassguy New member? Really??

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    I have the Viair 300P. It gets my 295/70/17's from 20 PSI up to 35 PSI in about 2 minutes apiece. I'm totally satisfied with it. For stock size tires, it should be more than sufficient. I would absolutely buy it again. :)
     
    icyhotahs, DRobs, Roland and 2 others like this.
  6. Oct 15, 2021 at 2:22 PM
    #6
    Moon Landing

    Moon Landing AFFTC 1967/68 Eddies Air Patch

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  7. Oct 15, 2021 at 3:06 PM
    #7
    studiousjr

    studiousjr New Member

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  8. Oct 15, 2021 at 3:07 PM
    #8
    Moon Landing

    Moon Landing AFFTC 1967/68 Eddies Air Patch

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    No experience but own one o_O

    Edit: It's the 400P, 300 CFM Model #44034
     
    Last edited: Oct 19, 2021
  9. Oct 16, 2021 at 7:52 AM
    #9
    2000Sport

    2000Sport New Member

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    Very pleased at the performance of the Smitty 2781. Many air up cycles on 275/70/17 this summer, worked flawlessly. 188.00 on Amazon.
     
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  10. Oct 16, 2021 at 9:00 AM
    #10
    whippersnapper02

    whippersnapper02 New Member

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    Definitely Viair out of those. I have a 450P.
     
    Last edited: Oct 16, 2021
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  11. Oct 16, 2021 at 10:13 AM
    #11
    MAXIM

    MAXIM New Member

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    You have to buy it only once, get best of the best out there. Here is my with 1 gallon air tank under mounting plate:

    -and-lt;-and-lt;-and-lt;-and-lt;-albums-_c88d20716ca3470eae5f6d9b52f7c2795d46deb5.jpg
     
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  12. Oct 16, 2021 at 11:15 AM
    #12
    ElectroBoy

    ElectroBoy Ad astra

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    I also have the Viair88P. Works for me. It’s light and small enough to easily stash in the back where it stays clean.
     
    7385 likes this.
  13. Oct 16, 2021 at 12:49 PM
    #13
    jetmechG550

    jetmechG550 New Member

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    Best flow rate and duty cycle should be the determining factor
     
  14. Oct 16, 2021 at 9:21 PM
    #14
    Thatbassguy

    Thatbassguy New member? Really??

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    It looks like it has roughly 1/3 more output than the 300p. I'm using a 300p on 295's and it's been great so far. If you're going bigger with tires, or just want it to work faster, it seems like the 440 will be fantastic.



    The ARB twin looks great if money is no object, and if you want to mount your compressor. But, the OP seems to be looking for a portable compressor.
     
    BeavertonCommuter[OP] likes this.
  15. Oct 17, 2021 at 12:53 AM
    #15
    McSpazatron

    McSpazatron New Member

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    Dobinson IMS Warn Bumper CaliRaised Sliders 285/70 K02s
    I looked at the specs of the 300 and 400 Viairs and am a little confused at what differs between the models. They seem to have the same duty cycle and airflow cfm. What differentiates the models then?
    3FCDDABA-1363-46A2-8EC1-B9B3363DFBE1.jpg
     
  16. Oct 17, 2021 at 5:11 AM
    #16
    Thatbassguy

    Thatbassguy New member? Really??

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    I noticed that when I was looking to buy mine. I can't recall if I found any difference between the 2 other than price. :notsure:

    Edit: I was curious... The 400p can achieve higher output at 24 volts. So, nothing useful unless you plan on running dual batteries.
     
    Last edited: Oct 17, 2021
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  17. Oct 17, 2021 at 5:32 AM
    #17
    GrantA

    GrantA Enjoying God’s creation

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    - GOBI roof rack and ladder - Westcott Design Rock sliders - M.O.R.E. Underbody Skid plates - Dual ARB air compressor & ARB single compressor - LED interior lighting - Ironman 2.0 meter awning and enclosure - Ironman winch with factor55 hook - Ironman foam cell pro suspension - Ironman recovery snatch rope - Ironman recovery traction boards - lilbscustomfab Hybrid Front Bumper - lilbscustomfab BMC - RRW RR7-H Hybrid Beadlock wheels - Nitto Trail Grapplers 285/75/17 M/T - 4.88 gears - ARB front air locker - ARB rear air locker - Hi-lift jack & mount - Sony aftermarket speakers - LASFIT External LED Light Conversion - Center console organizer - Glovebox organizer - ICS phone Mount holder - C4 rear bumper with dual swing arms - C4 gas skid plate - C4 rear diff skid plates
    I have this exact same setup. Really enjoy my ARB. I also have the single as well that I have in my wife’s van. It is cool that you can run pneumatic tools with the dual ARB compressor and the one gallon tank.

    single:
    D04772E3-2C1C-45A6-A7CD-1DFAC55089B2.jpg

    dual:
    4EA92838-4CCC-41A0-B243-09CB4A11F8EB.jpg

    Yes both of these are higher priced than vivair but honestly buy once cry once (in my case I bought twice and cried twice). But in all seriousness the single sold me on the double. I filled up 4 of my tires and put everything away and my neighbor was only on his second tire (I went all the way up to 55-60 psi and he was going to 45). I pulled everything back out and had filled up his 4th tire and he just was getting to his 3rd tire. Offered to do his 3rd tire as well to get done faster. We both are running 34” tires (285/75/17).
     
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  18. Oct 17, 2021 at 6:04 AM
    #18
    JaSC

    JaSC New Member

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    The ability to run air tools is a incentive for sure. I wonder if I could adapt a 'bail-out' bottle as a mounted tank since I don't dive anymore.. It's a Al30 (30cf), out of vis and hydro inspection. I hate to see it unused.
    Anybody got thoughts on feasibility?
     
  19. Oct 17, 2021 at 8:09 AM
    #19
    Thatbassguy

    Thatbassguy New member? Really??

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    55-60 PSI???

    285/70/17's (assuming LT) should be run at 35 on our 4Runners.

    Also, which Viair was your neighbor using? The ARB has great output, but I'm not having any issues with 295's and a Viair 300p.
     
  20. Oct 17, 2021 at 8:30 AM
    #20
    SlvrSlug

    SlvrSlug Slightly bent.

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    Portable compressors with automatic shutoff come into play when moving from tire to tire, and when checking tire pressure in the middle of a tire fill. A typical portable compressor must be turned off between tire fills, and anytime you want to check tire pressure. If you aren’t near the compressor, this can turn into running laps back and forth to the portable compressor to turn the unit on and off. Automatic portables do not work in this fashion and will save you time & effort to get tires inflated quickly
     
  21. Oct 17, 2021 at 9:59 AM
    #21
    GrantA

    GrantA Enjoying God’s creation

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    Sorry my post might have been misunderstood. Idk if he was running Viair pump or just a cheap autozone pump. I did ride with a guy that had a Viair pump and it seemed to run good but that is my only experience.
    Yep running 55-60 psi:
    E6469881-C684-4B29-B256-BA6C6B028632.jpg
     
  22. Oct 17, 2021 at 10:16 AM
    #22
    Thatbassguy

    Thatbassguy New member? Really??

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    The sidewall shows maximum inflation at maximum load. 55 is WAY too high for our trucks.

    Thay ARB twin seems like a great option for those looking to do an onboard mounted compressor. Looking at the specs, it has very good output.
     
    Last edited: Oct 17, 2021
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  23. Oct 17, 2021 at 11:21 AM
    #23
    GrantA

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    Oh I might go drop the tire pressure now to 40.
     
    Thatbassguy[QUOTED] likes this.
  24. Oct 17, 2021 at 11:52 AM
    #24
    Cowboy59

    Cowboy59 Enjoy the Adventure

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  25. Oct 17, 2021 at 12:09 PM
    #25
    Thatbassguy

    Thatbassguy New member? Really??

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    This is a good tool to find the recommended tires pressure for oversized tires. I know some people prefer to run a little higher or a little lower than the recommended pressure but it is a good starting point
     
  26. Oct 17, 2021 at 3:21 PM
    #26
    SunnyTRD

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    I have the 400P Auto and like it, although the gauge is slightly off. I may see if Viair will replace it. I replaced the battery connectors with a plugin connector. Overall I don't spend too much time bringing up to standard pressure from 15psi. I do not have anything to compare with however.
     
    BeavertonCommuter[OP] likes this.
  27. Oct 18, 2021 at 11:22 PM
    #27
    Moon Landing

    Moon Landing AFFTC 1967/68 Eddies Air Patch

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    Something for the DIY GUYS. Turning a pump on and off without having to go to it is possible. Replace the on/off switch(low volt/amp) with one of these(two wires in & two wires out). Have been using them(where needed)for years.

    https://www.amazon.com/Fimco-777193...words=remote+switch+12v&qid=1634623624&sr=8-7
     
    Last edited: Oct 19, 2021
  28. Oct 20, 2021 at 3:54 PM
    #28
    Thatbassguy

    Thatbassguy New member? Really??

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    My solution was to make my own hose, putting the gauge right at the compressor. I still have to flip it off to check the gauge, but it saved me a bunch of running around.

    https://www.4runners.com/threads/th...ll-of-my-money-went.12919/page-15#post-258802

    @Moon Landing that looks like a slick device! I'll be keeping that in mind for future projects.
     
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  29. Oct 20, 2021 at 4:03 PM
    #29
    Moon Landing

    Moon Landing AFFTC 1967/68 Eddies Air Patch

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  30. Oct 20, 2021 at 4:18 PM
    #30
    ubertoyotax

    ubertoyotax New Member

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    Buy once cry once, get an ARB twin. My buddy had a VIAIR and ended up selling it for an ARB.
     
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