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  #1  
Old 01-25-2012, 12:54 PM
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on board compressor?

I have an old AC compressor out of a 1968 Cougar, and I was thinking about putting it in my rig for an on board compressor ... has anyone done this? how many PSI will it put out ... pros or cons?
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Old 01-25-2012, 01:29 PM
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seventynine seventynine is offline
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What kinds of compressor is it? York?

I have done it with the stock York units they put in Jeeps. I have one on two of my CJs with AMC V8s. I plan on putting one in my J truck too.

They work great I can re-seat a bead with them on the the trail & run air tools. You need to get a pressure switch and some kind of tank. I have a custom bumper sealed on one of my CJs for a tank.

They beat the heck out of an electric pump.
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Old 01-25-2012, 01:32 PM
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I've heard the sanden compressors top out at about 215 psi
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  #4  
Old 01-25-2012, 01:35 PM
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seventynine seventynine is offline
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...The only con I can think of is that you lose the abillity to run AC...if that matters to you.

I'm not sure of the volume they produce but the pressure swith cuts on at about 90psi and shuts off at about 125psi.

You can use AMC v8 mounting bracketry to mount it. Ideally you will want to run a dual pulley so if you don't have it already you would need a dual pulley for your alternator.

There is tons of info out there on how to set them up. Here is one site:

http://www.mudinyerioffroad.com/yorkOBA.htm
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'79 J10
'77 Cherokee Chief
'79 CJ-7
'79 CJ-5
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'79 Wagoneer (RIP)
'13 FLSTN Softail Deluxe
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  #5  
Old 01-25-2012, 01:38 PM
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seventynine seventynine is offline
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If you use a Sanden you will have to add an oiling system to it. York compressors are oiled internally (from a crankcase resevoir)...which makes them ideal for use as an air compressor.
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'79 J10
'77 Cherokee Chief
'79 CJ-7
'79 CJ-5
'46 CJ-2A
'93 ZJ Limted
'79 Cherokee Chief (traded for the J10)
'79 Wagoneer (RIP)
'13 FLSTN Softail Deluxe
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  #6  
Old 01-25-2012, 05:30 PM
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Well this is what I have, and I have no idea what it is ... other than it came out of an old Cougar.
Any one know anything about this?
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The Falcon ... 73, 360, TH400, D20, D44 3.54 (F&R), 6" BJ's spring lift, 35"

"I've fought tougher men, but I really can't remember when."

Quote:
Originally Posted by Dr. Marneaus
P.S. those are some beeftastic bumpers!

My Build Thread:
http://www.ifsja.org/forums/vb/showthread.php?t=151753
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  #7  
Old 01-25-2012, 05:33 PM
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Lindel Lindel is offline
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Looks like an old Frigidair unit, made by GM. You'd need some way to lube it, just like the Sanden. Other than that, I don't know.
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Old 01-25-2012, 06:03 PM
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The Yorks need oiling, too, if used for onboard. Get a junkyard York for cheap and slap it on. Just make sure the pulley spins freely. I run one. I run an old compressor tank in the bed, and eventually I might add a regulator. Plenty for running air tools and filling tires.
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  #9  
Old 01-25-2012, 06:48 PM
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Yorks have their oiling built in. The crankcase is also an oil pan.

Sandens and Frigidairs don't have that and need a separate oiling system installed.
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  #10  
Old 01-25-2012, 09:06 PM
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I ran the gm style on my YJ for a few years and everytime I went wheeling I would add some air tool oil to the air intake on the compressor to lube it up. Did this for a couple of years until it froze up then went to the junk yard and got another. Also put a water trap on the pressure side to get the oil out of the line and keep it out of the ARB.
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  #11  
Old 01-25-2012, 09:27 PM
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Logans Run Logans Run is offline
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I really dont want a bunch of "junk" under my hood... so maybe Ill find a York ... if indeed they really dont need an oil tank to feed them.
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The Falcon ... 73, 360, TH400, D20, D44 3.54 (F&R), 6" BJ's spring lift, 35"

"I've fought tougher men, but I really can't remember when."

Quote:
Originally Posted by Dr. Marneaus
P.S. those are some beeftastic bumpers!

My Build Thread:
http://www.ifsja.org/forums/vb/showthread.php?t=151753
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  #12  
Old 01-25-2012, 09:45 PM
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I wouldn't bother trying to mount that thing up either. Find some brackets at a junkyard and a york and be done w/ it.
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Old 01-25-2012, 10:31 PM
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Mount it vertically. There is a hole in the side to add your oil, but it doesn't need a separate oiling system. Pour some 10w/30 in it, like, a 1/4 in, and check it every few times you use it. A long zip tie works good. If you mount it horizontally, you'll love oil. I accidentally dropped mine off of my work bench and broke off one of the fittings, so I JB Puttied a little air filter on it
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  #14  
Old 10-16-2013, 02:36 AM
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SteelPonyCowboy SteelPonyCowboy is offline
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[quote=seventynine]...The only con I can think of is that you lose the abillity to run AC...if that matters to you.

NOT exactly.....................

Contact this Mark for a bracket to mount two Yorks on your FSJ. I got one for my OBA set up because in AZ you can't give up your A/C


Mark Brinson email sales@searchers4wd.com

They don't show it on their web site yet but they will fab one up for you and ship it out quick.
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  #15  
Old 10-16-2013, 09:59 AM
JeepWrencher JeepWrencher is offline
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@ SteelPony

Where does the second York mount, in place of the air pump for the emmisions?

I'd love to see pictures of the setup as I live in FL and no AC here is miserable.
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Old 10-16-2013, 10:29 AM
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Quote:
Originally Posted by JeepWrencher
Where does the second York mount, in place of the air pump for the emmisions?

I'd love to see pictures of the setup as I live in FL and no AC here is miserable.

They mount side by side vertically. Move your factory York to the upright position, attach brackets to the left side, mount 2nd compressor upright, done. No interference with emissions or anything else.
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  #17  
Old 10-16-2013, 11:04 AM
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I did a Sanden on the XJ following the article in JP magazine from a year or so ago. They used hi-temp synthetic wheel bearing grease and really slathered up the guts. Have not had any issues with it for a little over a year now, Have an 80/110 pressure switch and around a 1 gal. tank (the mate will go in as soon as I change the muffler out, 3" sq., .188 wall x 36" under the floor welded to the frame rail reinforcements. They don't hang below the rails). Takes about 10 minutes to air up all 4 - 31's from 14 to 28 PSI and put away the hose and such. Used a hunk of garden hose for my air intake from the air cleaner to the pump and had NAPA make me a pressure line from the A/C unit to my manifold that has a gauge, outlet, inlet, pop-off (150psi), pressure switch and line to the tank/tanks. Lines to the tanks are 300 psi 3/8 air hose, all on quick disconnect fittings that are on all my air tools.
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  #18  
Old 10-16-2013, 11:35 AM
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Quote:


I say just swap the entire engine from the Cougar too! Here's mine with a York compressor. Great for filling tires but haven't tried to run air tools yet. Pressure is set around 90lbs and I have a 5 gallon tank. All my fittings and intake filter came from Grainger and Lowes.


JR
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Last edited by Headhoncho : 10-16-2013 at 12:16 PM.
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Old 10-16-2013, 12:03 PM
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Pressure switch, pop off and gauge came from Grainger as per the article, all the fittings and t's and crosses came from NAPA and the hose and disconnects from my Cornwell dealer when he comes every week at work.
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ASE Master Collision Tech
"Beast" - 81 "S" W/T, 85-360, T-18, Lock-rite,wag alloys, 31-10.50 Pro Comp MT's, Warn 8274 in a fabbed bumper/deer strainer(tested and approved)

88 XJ, 3" lift, 31-10.50's, custom bumpers and winch/tow bar mounts, Warn 9500HS, custom sliders/steps, camo paint, & headliner

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  #20  
Old 10-16-2013, 11:22 PM
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I just picked up another dual piston York (and a 440/727 from a motorhome) That will make my onboard air in Blackjack
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