On-Board Air Systems

[diamond d]

Seeking advice for an on-board air system. I will be installing air bags on the rear for leveling when towing (with an auto leveler), and air horns at a later time. Not looking to run air tools, but maybe the occasional tire inflation. Truck is a 2012 3500 ccs and don't want to give up my spare tire. What are you guy's running for something like this?

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[dmuney]

in your situation i would just run a decent 12v pump & 2 gallon tank anything else would be overkill unless you wanted to run some air tools then a engine driven compressor and 10 gallon tank then you could rotate tires on the side of the road just make sure you 12v compressor is a good one not a cheap hunk of crap

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[Polaraco]

in your situation i would just run a decent 12v pump & 2 gallon tank anything else would be overkill unless you wanted to run some air tools then a engine driven compressor and 10 gallon tank then you could rotate tires on the side of the road just make sure you 12v compressor is a good one not a cheap hunk of crap

I run 2 pumps on a 5 gal. I can get a short bursts with an impact gun. Just sayin

I have 2 pressure regulators in the cab with gauges. I made an enclosure that sits nicely between the middle seat and the cup holder. It also haouses other switches. Air compressor switch, fuel heater, cooling fan over ride, rear back up beeper and a spare. I also have my MM3 tucked in there

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This was the first version. It had too many leaks with the electric valves. So I fit that enclosure with a pair of regulators

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[F350Cummins]

I have a VIAIR system I am awaiting spring to install It has a 2gal tank on it and I have a 5 gal take to mount elsewhere

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[dmuney]

that engine driven system i was talking about i'll be installing on my new truck. also i had this setup installed on my old 94 Ram 2500 and oh boy i could actually rotate the tires . i had installed a steeper motor that would hold the rpm at 1200 and my pressure switch would cut out at 200 psi. i had no problems running a a gun or ratchet although never tried anything else but airing up tires, this is worth bragging about me and the wife went for a drive in the mountains she was complaining about how rough the ride was so i pulled over and deflated the tires enough so they had a big huge bulge at the bottom. and when we returned to the asphalt i aired up all 4 tires from about 20 psi. up to 60 psi as fast as i could walk from one tire to the next i was back in the truck in under 2 minutes. although on the other side of things i helped a buddy install air bags on his little mazda pickup and we installed 2 12v pumps and a 5 gallon tank and this was a lowrider mind you but at full pressure of 150 psi he could make that lil truck jump up and down about 4 times before he would start to run out of air. So if your only going to use them for air bags on a truck anything will do just fine, however if you plan on making it auto adjust ride height according to load i would step up the tank and the compressor x2, if your auto ride control is a mechanical air valve that inflates and deflates the bags depending on the road your driving on you could use up your air quickly due to the fact those mechanical ride height control valves dump the air out of your bags and into the outside air. so every decent bump you hit out goes the air. this type of setup is nice and is exactly what is used on Big Rigs that's where i got the idea for building my setup on my old truck and on my new truck, however i plan on installing more valves and switches to control the trailer ride as well. Could you imagine towing a flatbed trailer and your going to tow a car or something and when you get there you backup to it and flip a switch and down goes the trailer and guess what if your trailer was built with this in mind you wouldn't even need any ramps to load whatever it is you were hauling At least this is what I've been dreaming about.

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[dmuney]

I run 2 pumps on a 5 gal. I can get a short bursts with an impact gun. Just sayin

I have 2 pressure regulators in the cab with gauges. I made an enclosure that sits nicely between the middle seat and the cup holder. It also haouses other switches. Air compressor switch, fuel heater, cooling fan over ride, rear back up beeper and a spare. I also have my MM3 tucked in there

100_0389.JPG

This was the first version. It had too many leaks with the electric valves. So I fit that enclosure with a pair of regulators

100_0359.jpg

i like it that's a nice clean setup you've got there

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[F350Cummins]

it even holds his box of tissues :P

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[covert.Welder]

that engine driven system i was talking about i'll be installing on my new truck. also i had this setup installed on my old 94 Ram 2500 and oh boy i could actually rotate the tires . i had installed a steeper motor that would hold the rpm at 1200 and my pressure switch would cut out at 200 psi. i had no problems running a a gun or ratchet although never tried anything else but airing up tires, this is worth bragging about me and the wife went for a drive in the mountains she was complaining about how rough the ride was so i pulled over and deflated the tires enough so they had a big huge bulge at the bottom. and when we returned to the asphalt i aired up all 4 tires from about 20 psi. up to 60 psi as fast as i could walk from one tire to the next i was back in the truck in under 2 minutes. although on the other side of things i helped a buddy install air bags on his little mazda pickup and we installed 2 12v pumps and a 5 gallon tank and this was a lowrider mind you but at full pressure of 150 psi he could make that lil truck jump up and down about 4 times before he would start to run out of air. So if your only going to use them for air bags on a truck anything will do just fine, however if you plan on making it auto adjust ride height according to load i would step up the tank and the compressor x2, if your auto ride control is a mechanical air valve that inflates and deflates the bags depending on the road your driving on you could use up your air quickly due to the fact those mechanical ride height control valves dump the air out of your bags and into the outside air. so every decent bump you hit out goes the air. this type of setup is nice and is exactly what is used on Big Rigs that's where i got the idea for building my setup on my old truck and on my new truck, however i plan on installing more valves and switches to control the trailer ride as well. Could you imagine towing a flatbed trailer and your going to tow a car or something and when you get there you backup to it and flip a switch and down goes the trailer and guess what if your trailer was built with this in mind you wouldn't even need any ramps to load whatever it is you were hauling At least this is what I've been dreaming about.

What brand of compressor did you use I'm looking to use for arc gouging whaile welding I need it to put out 80psi at 22 cfm


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[dmuney]

What brand of compressor did you use I'm looking to use for arc gouging whaile welding I need it to put out 80psi at 22 cfm


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I just used a old York A/C compressor. They were used in a lot of vehicles in the 70's and 80's they work excellent they made a 6,8 and 10 cu.in. Models. I did all my research at Kirby Enterprizes at their On-board Air systems they so every thing you need even the brackets. Anybody with any fab stills could easily make them, I did it was easy. But the most important thing for anybody doing this upgrade, you must do one MODIFICATION to the pump other wise you'll pump all the oil into your air tank rather quickly. Take the front seal off the crank and plug the oil suction hole if not that hole sucks oil up out of the crankcase pressurize sit and out it goes. I've done this to two trucks now with ease I've also been using junkyard compressors I've blown up 4 of them just make sure you turn them off while driving they won't tolerate to much rpm. And one last thing you may need to build a new alternator pully you just weld a v-grove pully on the outside of your existing alt pully that's it.

https://www.cuoffroad.com/product-li...-airboss-kits/

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[dmuney]

I forgot to mention about these York A/C compressors converted into air compressors, these bad boys are easily capable of over 300psi so I would imagine that the CFM could possibly be extremely high. Like I said at 200psi and only 8 gal air tank my old truck at idle would run a 1/2 snap-on air gun and I could rotate all 4 8 lug wheels and never had to wait for the air to fill the compressor was able to keep up no problem

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