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Old 05-10-2007, 07:44 AM   #1 (permalink)
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York air on a 4.3L powered first gen

Since I've been hankerin' for OBA ever since I bought a CO2 tank, I've been thinking of a way to mount a York compressor. Rig is an '81 Toy mini powered by a 4.3L Chevy (TBI). I grew weary of re-filling the CO2 tank. Initially I tried to convert the stock Harrison to OBA duty since it required very little work and I had the stock mounting points. Welp, the Harrison lasted about 4 mins before locking up solid, and that was with a pre-oiler. Never seen an AC compressor smoke before . Here's a pic of the stock bracketry:
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Old 05-10-2007, 07:47 AM   #2 (permalink)
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Soooo, after removing the AC side of the bracket here's what I had to deal with:
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Old 05-10-2007, 07:54 AM   #3 (permalink)
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After much head scratching I couldn't come up with an easy way of modifying the existing bracketry to accept the 210 York. Kilby offers an adapter for the bracket but it sets the compressor up so high that I wouldn't be able to close the hood. Space is very limited so the compressor needs to sit as low as possible. Here's the P-N-P compressor ($20) with the Kenworth clutch (pn #KA1480, $74, the stocker had a twin v-belt pulley) installed:
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Old 05-10-2007, 07:58 AM   #4 (permalink)
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Old 05-10-2007, 08:00 AM   #5 (permalink)
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Since I was unable to make the stock bracketry work here's my solution. I'm not looking for a critique on my plasma, welding, or other fab skills, I know these are replete with redneckery (redneckousity, redneckedness, et al...).
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Old 05-10-2007, 08:03 AM   #6 (permalink)
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Here's the York bracket mounted on the ol' 4.3L in the '81:
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Old 05-10-2007, 08:07 AM   #7 (permalink)
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A good thing about the stock GM bracketry is the fact that the GM belt tensioner is a seperate and complete unit that can be re-used. All you have to supply is the lockwasher and nut:
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Old 05-10-2007, 08:12 AM   #8 (permalink)
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Here's a photo of the York mounted compared to the stock bracketry. As you can see the York actually sits a little lower than the stocker would sit. This permits me to use the stock size serp belt, no need to get a "bigger" belt:
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Old 05-10-2007, 08:16 AM   #9 (permalink)
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Here's a shot of the serp belt as it sits, everything lines up:
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Old 05-10-2007, 08:22 AM   #10 (permalink)
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Since I'm not running a pre-oiler I needed a way to quickly check the oil level.
Here's my dipstick. It's the stock drain/refill bolt drilled to accept a portion of a bicycle spoke and with a wing-nut welded on. It doesn't come in contact with any moving parts:
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Old 05-10-2007, 08:27 AM   #11 (permalink)
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And, finally, here's a shot with all the plumbing (I re-used the stock York fittings, just welded, drilled and tapped them to accept 1/4 pipe) filling up my 35" tire:
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Old 05-10-2007, 09:01 AM   #12 (permalink)
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Old 05-10-2007, 10:01 AM   #13 (permalink)
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It looks good. I have a 4.3 tbi as well and keep thinking about the york conversion as well. Keep us updated.

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Old 05-11-2007, 04:54 PM   #14 (permalink)
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Nice job on the bracket. This might sound stupid but what's wrong with the ARB compressor?
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Old 05-11-2007, 05:41 PM   #15 (permalink)
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Quote:
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Nice job on the bracket. This might sound stupid but what's wrong with the ARB compressor?
Technically, nothing is "wrong" with the ARB compressor. Just try airing up four 35" tires with one though (bring a calendar to measure how long it'll take cause there ain't that much time on a clock)...


When I get a chance I'll add a tank and pressure regulator switch and ditch the ARB compressor.
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Old 05-15-2007, 09:40 PM   #16 (permalink)
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What vehicle did you pull the york from?

I like it, nice install.
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Old 05-16-2007, 09:04 AM   #17 (permalink)
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What vehicle did you pull the york from?

I like it, nice install.
Geez, I pulled it from some sort of early 80's (I think) Jeep Grand Wagoneer sort of thing (V8) sortalikethisone:



The P-N-P near me had three or four Yorks but these were on Fords and they where mounted laying the wrong direction. The Jeep compressor was mounted the same way that I wished to mount it in my rig.
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Old 05-16-2007, 10:50 AM   #18 (permalink)
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Originally Posted by FrankenToy View Post

The P-N-P near me had three or four Yorks but these were on Fords and they where mounted laying the wrong direction. The Jeep compressor was mounted the same way that I wished to mount it in my rig.
Does it matter? Mine was mounted upright when I got it now its on its side. Do they have different oil slingers or something?

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Old 05-17-2007, 08:15 AM   #19 (permalink)
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Does it matter? Mine was mounted upright when I got it now its on its side. Do they have different oil slingers or something?

Chass
ct
I'm no expert on them either but this is what I got from Kilby's site, and why I picked a compressor that was laying the same way I was going to mount mine.:


------------------------------------------------------------------------
(from http://www.kilbyenterprises.com/faq.htm)

Q: I see you lay the compressor down in some applications. Is that ok? Will it pump more oil out if I lay mine down?

A: If it wasn't ok, we wouldn't do it. When laying the compressor on it's side, you have to make sure the suction port is on top. It will not pump any more oil if laying down versus standing up. Please refer to paragraph 1 on page 5 (Features) of the factory service manual.

Q: How can I tell if mine is a right or left hand suction?

A: Stand the compressor up with the clutch facing your stomache. You'll have one fitting on the right and one on the left. The head should be marked with a "S" or "Suct" for suction and "D" or "Disch" for discharge.

-------------------------------------------------------------------------

Upon further reflection I'll bet the only difference between the "left" and "right" hand units is that the head of the compressors are installed 180* apart. All Yorks have mounts on both sides and the bottom. It would be a simple matter to convert a left to a right (or vice versa), just remove the head, rotate 180* and re-install.
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Last edited by FrankenToy; 05-17-2007 at 08:35 AM. Reason: My grammar makes me look more stupid than am really I.
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Old 12-27-2007, 02:30 AM   #20 (permalink)
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Old 12-27-2007, 03:21 AM   #21 (permalink)
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good job man keep us updated on any issues with it.
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Old 12-27-2007, 07:42 AM   #22 (permalink)
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frankentoy wrote: "Kenworth clutch (pn #KA1480, $74"

Where did this PN come from? Does anyone know the clutch PNs for the various belt configurations? I have had a york in my Toy for years, but a friend is trying to build one and we cant seem to ID the clutch PN for the serp belt on a heep. Kilby wants more for just the clutch than I paid for my entire setup.
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Old 12-27-2007, 08:18 AM   #23 (permalink)
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Kilby is expensive; check the Yellow pages in your area for auto AC parts. I got a complete gasket kit for the Mini York I put on my rig at a Polar Bear AC place. Also look a P-N-P,s York’s came on a number of European cars, Jaguar, Volvo, BMW and Saab are the ones that come to mind. Ford, GM, and MoPar also used them.
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Old 12-27-2007, 08:36 AM   #24 (permalink)
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I did something simular about 4 years ago---except mine was upright. Vova also has one of my brackets...
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Old 12-27-2007, 08:50 AM   #25 (permalink)
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Quote:
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frankentoy wrote: "Kenworth clutch (pn #KA1480, $74"

Where did this PN come from? Does anyone know the clutch PNs for the various belt configurations? I have had a york in my Toy for years, but a friend is trying to build one and we cant seem to ID the clutch PN for the serp belt on a heep. Kilby wants more for just the clutch than I paid for my entire setup.
I recently bought one from this guy:
http://cgi.ebay.com/ebaymotors/ws/eB...m=220156158157
(note- this one is not a serpentine clutch), $96 shipped. Their phone number is 608-592-7584, ask for Tim Hesse. The part numbers are Kenworth Ka1480, Fleetrite/International 1687780c92 for a 6" diameter 6-rib serpentine pulley to fit the york/tecumseh compressor. They use the International part number.

Last edited by kbud; 12-27-2007 at 08:53 AM.
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