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06-15-2006, 08:44 PM
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#1 |
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Cereal Killer
Join Date: Jan 2006
Location: Montgomery, Alabama
Posts: 639
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72 K5 A/C Questions
I am working on gathering parts to get the A/C working in my new 72. I bought a reman compressor, new dryer and new expansion valve/oriface tube. My truck was already converted to 134a.....my question is should i use the POA valve or convert it to a cycling system with a POA valve update kit from Chevy Duty.
What can i expect out of my system once i get it all working? Any suggestions or advice is greatly appreciated. |
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06-15-2006, 09:55 PM
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#2 |
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Registered User
Join Date: May 2000
Location: Petrolia,Ontario,Canada but working in Port Huron,Mi.
Posts: 1,772
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Re: 72 K5 A/C Questions
Here's my post in the FAQ section.
http://67-72chevytrucks.com/vboard/s...d.php?t=112463
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71 blazer,350SBC,approx.375HP,700R4,factory GM TPI.Dual electric fans,33x12.5x15 ATR on stock suspension. Petrolia,Ontario,Canada but working in Port Huron,MI. See ALL my Blazer pic's HERE |
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06-15-2006, 10:53 PM
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#3 |
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Cereal Killer
Join Date: Jan 2006
Location: Montgomery, Alabama
Posts: 639
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Re: 72 K5 A/C Questions
Gracias............very nice write up.........i might ask you a few more questions when i get farter down the road.
Mark |
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06-15-2006, 11:53 PM
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#4 |
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Cereal Killer
Join Date: Jan 2006
Location: Montgomery, Alabama
Posts: 639
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Re: 72 K5 A/C Questions
anyone else tried stock compressor, 134a ,POA valve update and stock condensor. I have a new reman compressor still in the box and now im debating if i should use a more modern?Any info is greatly appreciated.
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06-16-2006, 08:21 AM
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#5 |
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Registered User
 Join Date: Dec 2002
Location: Northern Virginia
Posts: 1,268
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Re: 72 K5 A/C Questions
I have stock everything converted to 134A and mine will run you out of the truck. This is another one of the great debate subjects on this board Stock AC or vintage air. Anyway there is a thread where a guy gives a link to an AC guys website where they talk about adjusting a R12 POA to 134 and its suppose to make all the difference. I thought I had saved the link but cannot find it now. If I do I will post it
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06-16-2006, 05:08 PM
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#6 |
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Registered User
Join Date: May 2000
Location: Petrolia,Ontario,Canada but working in Port Huron,Mi.
Posts: 1,772
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Re: 72 K5 A/C Questions
Here
http://www.autoacforum.com/messagevi...AR_MSGDBTABLE= and here http://www.autoacforum.com/messagevi...AR_MSGDBTABLE= 
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71 blazer,350SBC,approx.375HP,700R4,factory GM TPI.Dual electric fans,33x12.5x15 ATR on stock suspension. Petrolia,Ontario,Canada but working in Port Huron,MI. See ALL my Blazer pic's HERE Last edited by BobbyK; 06-16-2006 at 05:20 PM. |
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06-16-2006, 05:56 PM
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#7 |
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Cereal Killer
Join Date: Jan 2006
Location: Montgomery, Alabama
Posts: 639
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Re: 72 K5 A/C Questions
Thanks for all the info........every little bit helps.
11 mpg with last tank.....mostly in town! |
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