Quick AC question: What PSI do I want to have? - ZDriver.com


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Old 08-09-2018, 05:20 PM   #1  
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Quick AC question: What PSI do I want to have?

Hey:

87 N\A

I got my R12A refrigerant, hooked it up and presto got some nice cold air coming out.
What is the PSI I want to have when the engine is revved? I saw on the label they want no greater than 26PSI.
Is this correct or should I follow the blue area in the gauge I have?

Thx
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Old 08-09-2018, 09:23 PM   #2  
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Depends on the temp. But usually r12 200 high, 40 low @ idle , use the sight glass , watch the bubbles shrink... you want to stay above 20-25 psi
​​​​​​​why not convert to 134a ?
DYK they found 1 molecule of diclorfloro methane eats 10000 of ozone molecules

Last edited by 86tcoupe; 08-10-2018 at 09:36 AM.
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