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Old 01-19-2015, 03:47 PM   #15
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Best posts I have seen so far on Armstrong upgrade

Here is a link to THE most impressive overhaul and upgrade that I have seen regarding the Armstrong.

Jim Pratt's '69 Ambassador got upgraded to more power output, and Jim even added a reversing valve that turned his Armstrong into a heat pump as well!

He didn't seem to have any problem finding the parts to do it, either.
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Old 01-19-2015, 08:27 PM   #16
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Thanks, Aage.

It is.
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Old 01-19-2015, 10:02 PM   #17
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That link is very impressive. It is the first link I bookmarked after I joined the forum.

Before I started reading about the Armstrong units and others on this forum I had decided to scrap the old dinosaur in favor of a new unit for the sake of reliability.

I owe a debt of gratitude to the posters who have praised these old units, they kept me from making a big mistake, so I try to pay it forward every time I get the chance.

So far that cooler has run A LOT for two long hard summers without any issue. (Other than the screw I mentioned above)


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Old 01-19-2015, 10:16 PM   #18
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I had to pass on one of the factory custom shrouds for one from a Streamline. Still irritated at that.
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2004 DODGE Cummins 305/555; 6-manual; 9k GVWR.
Hensley Arrow. 9-cpm solo, 15-cpm towing
Sold: Silver Streak Model 3411
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Old 01-21-2015, 06:35 AM   #19
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What about changing a compressor? Is that a D.I.Y. project?
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Old 01-21-2015, 07:05 AM   #20
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Replacing a compressor is a do it yourself job if you have all the tools needed to change an a/c compressor and know how to change one. A/c gauges, vacuum pump, freon reclamation unit, acetylene torch and silver solder, compressed nitrogen, and a can of freon... You have to purge the system with the nitrogen while soldering in the new compressor, you have to vacuum all of the air out of the system before recharge, you need to know how much of a recharge is needed...

It's not just a yank it out and slap in a new one kind of operation. You need to know what you're doing...

-Red, it's what I do...
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Old 01-23-2015, 10:44 AM   #21
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I will be replacing my own when the time comes. I have about decided to use flare fittings and set up with R134 ports. I have a vac pump.

(I will fill with R22)


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Old 01-23-2015, 02:47 PM   #22
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Go ahead and use standard A/C valves. They'll be compatible with the gauges you need to hook up the canister of R-22. As far as flare fittings, I like the idea, but you'll still have to torch some copper to flare to the compressor. If you're torching anyways... Might as well make the connection.

-Red, giving away all his secrets...


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