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Author Topic: R134 TR conversion?  (Read 21370 times)

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Offline SuperSix

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R134 TR conversion?
« on: January 10 2011, 02:50:10 PM »
I may need to convert my TR over to 134 - I only have about 2.5 cans of R12 left, and I need that more for the Cadillac. (Last year for R12 - yay!)

I remember the main issue is the factory R12 condenser isn't efficient with R134 - is there a GOOD aftermarket R134 condenser we can use? Is this less of an issue with high-flow dual fans? Remember - I am in hot, humid Central Florida.

Does anyone have a link to a comprehensive R134 conversion guide?
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Offline Wrecked Em

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R134 TR conversion?
« Reply #1 on: January 10 2011, 04:45:30 PM »
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Offline SuperSix

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R134 TR conversion?
« Reply #2 on: January 10 2011, 05:25:25 PM »
Dang - I didn't think the check there.

Has anyone here done this conversion?

Thanks Bryan
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'07 Ford F150 Lariat 2WD, 5.4L 3v - 255k
'20 Kubota BX2380. FEL, 60" deck
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Offline Top Speed

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R134 TR conversion?
« Reply #3 on: January 10 2011, 11:14:00 PM »
There is a thread on TBS about using a bigger condenser core to regain the efficiency lost by using 134a.
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Offline G. Price

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R134 TR conversion?
« Reply #4 on: April 09 2011, 06:56:37 AM »
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Offline Wrecked Em

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R134 TR conversion?
« Reply #5 on: April 23 2011, 05:11:12 PM »
Getting ready to throw the A/C back on the GN since it is my DD for now.
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Offline daveismissing

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R134 TR conversion?
« Reply #6 on: April 23 2011, 05:12:34 PM »
Propane aka 12a seems ok here.
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Offline Wrecked Em

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R134 TR conversion?
« Reply #7 on: April 26 2011, 06:00:05 PM »
What is the best way to get the old oil out of the compressor.
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Offline SuperSix

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R134 TR conversion?
« Reply #8 on: April 26 2011, 06:23:30 PM »
Quote from: "Wrecked Em @ Tue Apr 26, 2011 5:00 pm"
What is the best way to get the old oil out of the compressor.


I just turned mine on it's back and let it drain, changed orientation a few times. I have a charge can to clear the lines, I suppose I could have tried it on the compressor.

I wonder if a shopvac would work well...
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'87 GN, 60lb, TA49, THDP, FTP cam, T+ lots o' shit - SOLD
'07 Ford F150 Lariat 2WD, 5.4L 3v - 255k
'20 Kubota BX2380. FEL, 60" deck
'78 IH/Case 184 Lo-Boy
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Offline Wrecked Em

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R134 TR conversion?
« Reply #9 on: April 26 2011, 07:57:07 PM »
Thanks Mark....
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Offline Wrecked Em

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R134 TR conversion?
« Reply #10 on: April 30 2011, 08:52:04 PM »
Parts showed up today from Rock Auto. Gauges and vacuum pump showed up yesterday. The conversion now begins.
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Offline SuperSix

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R134 TR conversion?
« Reply #11 on: April 30 2011, 09:46:38 PM »
Quote from: "Wrecked Em @ Sat Apr 30, 2011 7:52 pm"
Parts showed up today from Rock Auto. Gauges and vacuum pump showed up yesterday. The conversion now begins.


Where did you get the vacuum pump? I wish I could rent one, but I think I will have to buy. I have some manifold gauges already.
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'87 GN, 60lb, TA49, THDP, FTP cam, T+ lots o' shit - SOLD
'07 Ford F150 Lariat 2WD, 5.4L 3v - 255k
'20 Kubota BX2380. FEL, 60" deck
'78 IH/Case 184 Lo-Boy
'99 Kawasaki Bayou 400 4x4

Offline Charlief1

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R134 TR conversion?
« Reply #12 on: April 30 2011, 11:43:24 PM »
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Offline SuperSix

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R134 TR conversion?
« Reply #13 on: May 01 2011, 01:15:58 AM »
Quote from: "Charlief1 @ Sat Apr 30, 2011 10:43 pm"
You can afford a suction pump.

http://www.harborfreight.com/automotive-motorcycle/refrigeration.html


Useless. I mean a real 120V beast. I threw away the old HF suction pump I had.
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'87 GN, 60lb, TA49, THDP, FTP cam, T+ lots o' shit - SOLD
'07 Ford F150 Lariat 2WD, 5.4L 3v - 255k
'20 Kubota BX2380. FEL, 60" deck
'78 IH/Case 184 Lo-Boy
'99 Kawasaki Bayou 400 4x4

Offline Charlief1

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R134 TR conversion?
« Reply #14 on: May 01 2011, 01:28:43 AM »
Quote from: "SuperSix @ Sat 30 Apr, 2011 23:15"
Quote from: "Charlief1 @ Sat Apr 30, 2011 10:43 pm"
You can afford a suction pump.

http://www.harborfreight.com/automotive-motorcycle/refrigeration.html


Useless. I mean a real 120V beast. I threw away the old HF suction pump I had.


Been using one for about 10 years now and no issues yet. :supz:
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And remember, when dealing with children, silence may be golden but duct tape is silver.
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