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Old 11-13-2011, 12:50 PM   #1
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Engine Driven Air Compressor?

I am rebuilding an '87 YJ and want to have an engine driven air compressor. My Jeep is equipped with a 4.2/258, 5-speed, no a/c. While I don't have a garage, my boss' shop has plenty of the toys I need to take my YJ from Rusty to Rugged.

I have heard of guys using a '70s York a/c compressor. I know they came on alot of land-yachts of the '70s. I'd appreciate any ideas or plans you guys could share.

We are gearing up to compete and play at Rausch. My rig is to be our trail repair/support rig. Other things I want to add are; a welder/generator, fuel and water cans and tire tools.

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Old 11-13-2011, 01:26 PM   #2
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Not sure how big a hurry you are in but there are a couple of us doing this and will be doing a thread in a few weeks. There is a whole lot of info on this.

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Old 11-13-2011, 01:41 PM   #3
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Thanks, can't wait to see your build! My build is gonna take most of the winter. I'm working on stripping down a tub from a donor YJ at the moment.
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Old 11-13-2011, 01:45 PM   #4
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Not sure how big a hurry you are in but there are a couple of us doing this and will be doing a thread in a few weeks. There is a whole lot of info on this.
Beat me to the punch.

As Dempsey mentioned, he and I are both aquiring the pieces to mount Yorks up on our rigs. (CJ-7 and TJ) Stay tuned.
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Old 11-13-2011, 11:16 PM   #5
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Subscribed! I just pulled my aftermarket A/C out of my 89YJ and left the compressor for just this reason. Looking forward to the education.
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Old 11-14-2011, 08:27 PM   #6
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Originally Posted by CubbyXL7
Subscribed! I just pulled my aftermarket A/C out of my 89YJ and left the compressor for just this reason. Looking forward to the education.
I might just be running blah blah, but unless you know for sure it's aftermarket, it might be factory. In the YJs, the interior part looked aftermarket under the dash.

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Old 11-14-2011, 08:35 PM   #7
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Quote:
Originally Posted by LostBoys1NY View Post
I am rebuilding an '87 YJ and want to have an engine driven air compressor. My Jeep is equipped with a 4.2/258, 5-speed, no a/c. While I don't have a garage, my boss' shop has plenty of the toys I need to take my YJ from Rusty to Rugged.

I have heard of guys using a '70s York a/c compressor. I know they came on alot of land-yachts of the '70s. I'd appreciate any ideas or plans you guys could share.

We are gearing up to compete and play at Rausch. My rig is to be our trail repair/support rig. Other things I want to add are; a welder/generator, fuel and water cans and tire tools.
York compressors are still in production, just not on modern car engines. You'll still find them on commercial trucks.

Look up Kilby Air Compressors. The build brackets, adapters, Yorks, and everything needed to equip all types of jeeps and low riders with air.

Or you can go wrecking yard hopping. AMC 4.2 engines (and 2.5) have been around for decades, and came stock with York compressors. Shouldn't take much to adapt over to your vehicle
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Old 11-14-2011, 08:38 PM   #8
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Subscribed! I just pulled my aftermarket A/C out of my 89YJ and left the compressor for just this reason. Looking forward to the education.
Most rotary veined compressor will need an oil source added, or will burn up internally in short order. The York has an oil sump, with two, small, upright pistons. The rotary style uses oil circulated within the freon charge, to keep it lubricated. York like to be mounted upright for that reason, but can be mounted sideways, but only if the discharge is above the intake.
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Old 11-14-2011, 10:04 PM   #9
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Great info TreeClimber, Thanks!! Time to start my homework.
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Old 11-15-2011, 08:18 AM   #10
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I am very interested in how you guys do this...
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Old 11-16-2011, 09:50 AM   #11
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Originally Posted by John in Vegas View Post
I might just be running blah blah, but unless you know for sure it's aftermarket, it might be factory. In the YJs, the interior part looked aftermarket under the dash.

JohnEGp
Being fairly new to the jeep world, that is good info to know. And, I always accept any input related to the YJ, because I surely don't know enough.

It may have been factory, but it had all the indicators of an aftermarket job. I used to install aftermarket A/C when I worked in a garage back in high school (long time ago).

Either way - it's gone. Now my pax have more leg room, and I can get under the dash easier.
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Old 11-16-2011, 09:53 AM   #12
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Originally Posted by TreeClimber1 View Post
Most rotary veined compressor will need an oil source added, or will burn up internally in short order. The York has an oil sump, with two, small, upright pistons. The rotary style uses oil circulated within the freon charge, to keep it lubricated. York like to be mounted upright for that reason, but can be mounted sideways, but only if the discharge is above the intake.
Good point! It is a rotary style compressor, and now that you mention it, I seem to recall those characteristics related to the York. Guess it will be time to start looking when I get ready to do this mod.
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Old 11-16-2011, 10:08 AM   #13
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Quote:
Originally Posted by TreeClimber1

Most rotary veined compressor will need an oil source added, or will burn up internally in short order. The York has an oil sump, with two, small, upright pistons. The rotary style uses oil circulated within the freon charge, to keep it lubricated. York like to be mounted upright for that reason, but can be mounted sideways, but only if the discharge is above the intake.
Actually, everything I've read so far recommends that the suction side be on top. Mine is going to stand upright, so it doesn't matter to me, but Dempsey's is going to lay on its side with the suction on top, (it's a 210R) and that is the factory configuration for the A/C on his AMC 304 V8.

Quote:
Originally Posted by CubbyXL7

Good point! It is a rotary style compressor, and now that you mention it, I seem to recall those characteristics related to the York. Guess it will be time to start looking when I get ready to do this mod.
They make small inline oil reservoirs for use with Sanden pumps that will lubricate it. Just make sure you install a coalescing filter behind it to catch the oil back out of the air.

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