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AC pressure specs

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Old Jun 27, 2003 | 11:30 PM
  #1  
PatG's Avatar
PatG
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Burning Brakes
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From: Katy TX
Default AC pressure specs

What are the correct compressor inlet and outlet pressures for a '79 with stock AC using R12 freon?
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Old Jun 27, 2003 | 11:55 PM
  #2  
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isosceles
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From: Deltona (son of Deland and DAYTONA) FL
Default Re: AC pressure specs (PatG)

check this site out. Very informative
http://www.delanet.com/~pparish/index.htm
I think you'll find it in there. I remeber seeing static and dynamic pressure for R134 in there.

actually, it's here: http://www.delanet.com/~pparish/pt-table.htm


[Modified by isosceles, 11:56 PM 6/27/2003]
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Old Jun 28, 2003 | 03:55 PM
  #3  
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PatG
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From: Katy TX
Default Re: AC pressure specs (PatG)

Well that chart shows the vapor pressures for R12 anr 134A which gives me a good idea of what the air temp should be for a given inlet pressure but.... this does not really tell me what is considered the correct inlet and outlet pressures for a stock R12 setup.

Anyone know the compressor specifications?
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Old Jun 28, 2003 | 03:59 PM
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Larry B.
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Default Re: AC pressure specs (PatG)

Low side (suction) 30 psi high side approx 185 psi... The high side will vary depending on temp and airflow over the condenser.
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Old Jun 28, 2003 | 04:04 PM
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PatG
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Default Re: AC pressure specs (bluevetteman)

thanks
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