LTX and LSX Putting LT1s, LS1s, and their variants into Third Gens is becoming more popular. This board is for those who are doing and have done the swaps so they can discuss all of their technical aspects including repairs, swap info, and performance upgrades.

Ac pressure with ls1 compressor

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Old Dec 20, 2018 | 02:28 PM
  #1  
Aviator857's Avatar
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From: North East GA
Car: 1989 Firebird
Engine: 5.7 LS1
Transmission: T56
Ac pressure with ls1 compressor

What low/ high side pressure should I see?

What are the pressure for thirdgen low side sensor to open/ close?

What are the pressures for the 4th gen high side sensor to open/close?

It's sort of cold today, about 65 in my shop it's working but the AC clutch seems to stay on constant if ac is selected. Also should go tuners vm scanner show the value of the high side... It's not returning any values.
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Old Dec 20, 2018 | 02:30 PM
  #2  
Aviator857's Avatar
Thread Starter
Supreme Member
20 Year Member
 
Joined: Jun 2002
Posts: 2,227
Likes: 46
From: North East GA
Car: 1989 Firebird
Engine: 5.7 LS1
Transmission: T56
Re: Ac pressure with ls1 compressor

How it's wired, currently not using low side.

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