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Shortee723

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Discussion starter · #1 ·
I was wondering, out of all those who drop air pressure off-road, are there any who have an on-board compressor? If so, where is it mounted? I have a little compressor and have been thinking about putting it into the engine bay, but wanted to know first if anybody here has done something similar.
 
I have OBA with my air-ride setup, I have the compressor mounted to frame on the driver side and than a 3 gallon tank mounted in the bed on top of one of the wheel wells.
 
Discussion starter · #4 ·
lilguido1, I have a little 120 psi max compressor already. I was thinking of adding a 2 gallon tank along with it, and then bolt it up to the truck somewhere. Yeah the compressor works fine as a portable but I thinking that it work that much better with the tank.


AUdakota, I was thinking of putting the tank, if I get one, under the truck somewhere, along with the compressor. I think it would be pretty safe as well as easy to "hide" given that a 2 gallon tank isn't too big. The parts i don't think would cost too much to put a simple setup together.
 
I have a QA2 mounted in my tool box and a 3 gal. tank mounted under my tool box. Easy to install as I ran my wires out the bed at the drain holes and along the frame to the battery. Airs up tires in no time. :wave:
 
Discussion starter · #6 ·
Chris, do you think a 2 gallon tank will be enough for a set of 33" tires? Or will it not really make much of a difference from the compressor alone?
 
I know I can run my three gal. tank out pretty quick, so I dont think a 2 gal. would be sufficient.
 
Discussion starter · #8 ·
Yeah I was thinking I might just go ahead and get a 5 gallon tank, maybe a 7, but I'm going to have to get the dimensions of both as well as look at space I have to work with under the truck and see if I really can mount a tank under there safetly and effectively.
 
Shortee723 said:
Chris, do you think a 2 gallon tank will be enough for a set of 33" tires? Or will it not really make much of a difference from the compressor alone?
I think a 2 gal. would be fine providing you have a compressor with enough c.f.m. output. :wave:
 
where are you gonna mount the tank, I know if you removed the spare you could have tons of room under there. The only thing I like about having my tank in the bed is that I have a quick connect chuck on the tank so I can just hook up my line and go from there. I guess you could run a chuck to about anywhere you wanted but you get the idea.
 
Discussion starter · #11 ·
Well ,I just had a quick look under the truck, and the only place I can see that would work (I still have the spare) might be in front of the gas tank, as that i the biggest space under there, but there would have to be a bracket or something made up to get it in there. As for a quick connect to the tank I had planned to run an air hose maybe to the engine bay. If it comes down to it, I'll put it in the bed, but I was trying to avoid that if I could.
Seems like I'll just have do a little more research, but any more suggestions/ideas will be greatly appreciated! :biggthump
 
Discussion starter · #12 ·
Ah just measured a spot under the truck, about 22" long by 14"-15" wide by maybe 6"-7"'s tall. Guess now I need to find a tank that'll fit there with room for a couple of brackets.

And now the hunt begins.................. :jester:
 
where are you all getting the airline/ fittings for this at....i have an air tank and compressor for my bags, but wanted to be able to fill the tires up after a day at the drag strip
 
YellowKota2k said:
I've been wanting to do OBA for a while, but decided against it since I found out how nice a CO2 system is. Still haven't gotten around to getting a CO2 setup, but I will someday.
You can build em much cheaper than most ppl think.
 
Discussion starter · #17 ·
Dj Wolf said:
where are you all getting the airline/ fittings for this at....i have an air tank and compressor for my bags, but wanted to be able to fill the tires up after a day at the drag strip
Well, I haven't really looked into that real hard yet as I don't know quite how my final is going to look, but I believe you can find any of the fittings and lines you need online without much of a search. You might could even get them at a local hardware store.

graham said:
I mounted mine in the rocker-well of the bed, in the front of the bed on the passenger side.
Hey that looks pretty good, how big is that tank, or is it a CO2 set-up?



I found a 5 gallon tank made by Viair that just might fit, but, does anybody think that it will be in danger of damage if it's under the truck like that? (Keep in mind though that I plan to mount it higher than both the driveshaft and the frame rail)

Hey Kota, have you ever thought of getting an old A/C compressor and hooking it up to the truck with a small tank instead of a CO2 system. Saw a guy pull it off for about $150, and he was able to fill his 35's pretty quick.
 
Shortee723 said:
Hey Kota, have you ever thought of getting an old A/C compressor and hooking it up to the truck with a small tank instead of a CO2 system. Saw a guy pull it off for about $150, and he was able to fill his 35's pretty quick.
I thought about that too, but pretty much scrapped the whole compressed air idea. My concern is that I like to go in mud sometimes, cross deep water often, and like to play hard in the sand dunes. All those factors adding up wouldn't stack up well against a nice compressor. Electrical problems and compressor breathing problems were my two main concerns. A CO2 system is self-contained and wouldn't be affected by anything, even if mounted under the truck. Plus, a CO2 system will fill up tires much faster than a compressed air system.
 
Too bad my girlfriend likes the air conditioning in my Dakota, in fact she wants to steal my truck but that's another story. On two of my brothers dodges we converted the air conditioning compressor to a air compressor, it is now capable of 400 psi and fills 35's quicker than any other system I have seen. We ran a regular air compressor hose so we have 30 feet and can run air tools off of it, we built two tanks out of 8 inch piping and put 150 psi regulators on them we stuffed them into the front fenders of the truck. The tanks store plenty of pressure and at idle they never run out but if they did he could just rev up the engine and the air conditioning compressor really builds pressure. Of course he no longer has air and had to drain the freon out but it works great.
 
I just finished putting my air setup on my truck- 2 used CO2 tanks I had laying around my shop and a 12v high volume compressor. I no longer have the spare underneath thus providing plenty of room. Now it has power when i start up my truck and from bone dry fills 9 gal in 3 min. We will see how handy this proves this weekend.:drive::D

also may post pics if anyone likes when i grab my cam.
 
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