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Discussion Starter · #1 ·
Well the long avaited moment arrived. This thing blows good air! /wwwthreads_images/icons/smile.gif Now what? I ended up using a TJ belt (no I don't have TJ envy) /wwwthreads_images/icons/smile.gif and routed the belt as was suggested by Brad Kilby from onboardair.com using the TJ belt routing. As it turned out the belt was almost a little short cuz the TJ idle pulley is a little smaller and my botched compressor mount bracketry is a little higher than stock. Oh well I made it fit by loosening the adjuster screw all the way. That took me an hour cuz it was rusted and I had to take the hole power steering pump and bracket off to be able to get the screw out so I can clean it up and get it going. /wwwthreads_images/icons/crazy.gif I test ran the engine up to 3000 rmp for a short time and it didn't throw the belt. Actually the belt was not warm or appear to be grinding anywhere so far. Amazing, given the fact that the compressor was basically eye-balled in place. Keeping fingers crossed and spare belt in tool box though. /wwwthreads_images/icons/smile.gif The thing is actually pumping pretty good air. Maybe it's not a York but Brad said that this older model has actually close the same displacement as the big York compared to later Sanden models which were smaller. Whatever it is it's got good pressure even at idle. Now what do I need to get to get the air to the tires? Once I'm done with this it's onto the onboard welder. (while waiting for the locker for my 8.8 rear)
Here are some pics:
http://www.webphotos.com/member/7612/138604.jpg
http://www.webphotos.com/member/7612/138605.jpg
http://www.webphotos.com/member/7612/138607.JPG
http://www.webphotos.com/member/7612/138608.jpg


'91 YJ,I-6,2.5" lift,Boomerangs,33s,D30,D35c,Lock-Rights F&R
 

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I just took some measurements of the sanden compressor that was laying around the shop here and compared it to the compressor from the 5.0(make unknown yet) and they don't match up but the compressor from the merc is good and I should be able to use that. I would get lucky with that setup though since I can use a factory belt.

 

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Discussion Starter · #3 ·
Yeah, we all have to do some fabbing no matter what. Now I have to find some brass fitting to hook up to the 3/4 NPT (I think) compressor fitting and reduce it to 3/8 or 1/4. Needless to say Home Dep. or Lowes don't have any usable air pulmming that size. Any ideas? Anybody knows what thread these compressors have on their fittings?


'91 YJ,I-6,2.5" lift,Boomerangs,33s,D30,D35c,Lock-Rights F&R
 

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http://www.mcmaster.com

These guys used to have everything (and I DO mean EVERYTHING!) and were great to deal with. If it's promptness, service, and right the first time you want, check them out.

Caver Dave
'68 Jeepster Wagon
225, 3spd, & road salt A/C
Vintage Jeeps(ters) have Character,
new Jeeps just have payments.
 

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I have to say that you may have difficulty finding the proper fitting. I was never able to find the right fitting for my AMC York. I went to several supply houses and even a custom hose maker. None of them had the proper AC fitting. I ended up using the factory AC hose. I cut the rubber off the hose which left the connector and a metal section about 3"s long. I then used a standard compression fitting to adapt the pipe(metal section)to the connector I chose. There are some pics on my website of the completed setup.

Later,



http://home.off-road.com/~tom85cj7/home.htm
 

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I don't know if my luck is great or what, but I found a perfect fit adapter that screws onto the York and reduces to a 3/8 NPT. It was found at Lowes in the plumbing section and it works great. I didn't even know there was a problem!

Fritz

Jeep...need I say more?
 

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Discussion Starter · #8 ·
OK so how do you measure the size of NPT fittings? I basically just disconnected the AC tubes so I have the factory L on both holes (kind of like on the previous picture). So now I have two male ends, one bigger than the other. I measured with a caliper across the threads and the bigger is 7/8 the smaller is 3/4. So is that what size they are? I only need a reducer for the smaller since that is the discharge port. So do I need a 3/4 to 1/4 or something? I guess in the worst case I could go back to the yard and take the tube with the nut on it and fit a hose on it with clamps. Then I can put in a recuced nipple on the other end. I don't know much about this NPT spec. ???


'91 YJ,I-6,2.5" lift,Boomerangs,33s,D30,D35c,Lock-Rights F&R
 

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I can't remember, but I think mine was a 1/2 or 3/4. It was pretty straight forward. Since I had to take...hold on...okay now I remember what I did. Do you still have the light weight metal cover that covered the back of the ports? They are the same thread and size as the discharge side of the compressor (on a York). Take one off and test fit it to the front...then go to Lowes and buy the same thread count!


Fritz

Jeep...need I say more?
 
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