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Discussion Starter #1
Anybody done this conversion on their AC compressors and have a good writeup about it? I searched around a bit and didn't find a whole lot of useful info. My condenser is shot and I think it would be cheaper to sell my Viair pump and just use my AC compressor for onboard air/arb's.

Any opinions?

Joe
 

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I made my stock compressor OBA. It has worked good so far, you can do a search for OBA on google, I kind of went off one that was on a Jeep. All the parts are basically the same. I got fittings TIG welded into the compressor on the high and low sides to connect the hose to, the high side is actually cracked because I tightened it too much I think, but it doesn't leak I don't think (yet). You need a filter, oiler, pressure valve to cut the compressor off when it gets to a certain pressure, etc, etc. You can find most of the stuff at Northern Tool, and most of the fittings at Lowes or Home Depot.
 

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grommit327 said:
Anybody done this conversion on their AC compressors and have a good writeup about it? I searched around a bit and didn't find a whole lot of useful info. My condenser is shot and I think it would be cheaper to sell my Viair pump and just use my AC compressor for onboard air/arb's.

Any opinions?

Joe
Brian of Front Range Offroad makes a conversion kit for taco's . It does eliminate having A/C though.
 

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Discussion Starter #4
I use my AC maybe 3-4 times a year and don't really want to pay for a new condenser/system recharge so I figured I would make better use of it. I will have to get a hold of Brian at FROR.

Thanks
Joe
 

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My cousin converted his AC pump on one of his chevy truck to use as an air compressor, and hooked it up to an on board air tank. The set up worked great for airing up as well as air tools. Just leave the truck running and you have a constant supply of air.
 

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appa said:
My cousin converted his AC pump on one of his chevy truck to use as an air compressor, and hooked it up to an on board air tank. The set up worked great for airing up as well as air tools. Just leave the truck running and you have a constant supply of air.
GM uses alot of York A/C compressors, for some aplications they use a York "pancake" compressor. Yorks are easy to convert into OBA systems, and very popular with Jeeps. A couple companies sell bracket kits to mount them on Jeeps, never seen one for a Tacoma yet. Too bad cause I'd like to retain my A/C and have an engine driven compressor.

Tim
 

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I think if you could go to a junkyard and look at a few AC compressors, I think you could find one that would be easy to modify a bracket for fitment and still retain AC. On the 2.7, you could mount above existing AC compressor.
 

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The 3.4 doesnt offer any extra room under the hood. I have contemplated running something off the drive shaft between the tcase and the center support bearing.

York pancakes are about the lowest profile A/C compressors I've seen so far.

Tim
 

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Old Jeeps used to have PTO on transfer case for running stuff, that would be bad ass!! But I think being exposed to dirt all the time would have to be bad for it.
 

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Why not get a Cadilac or Ford air bag pump, you can convert these pretty easily. I think they would work well for pumping up tires, or airing up air mattress.
 

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I've already got a Cadillac airbag pump, but I suspect it'll burn out after a little while cause it's not rated for 100% duty cycle.

A good set of skid plates will slow some of the dirt down, but it'll defiantly take some fabbing to complete if I go this route, hafta run an air inlet hose somewhere other than under the truck.

I had a 51 MB with a PTO that ran a pulley for my compressor. It looked ghetto cause I had the compressor mounted on the front bumper.

Tim
 
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