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Old 08-29-2013, 05:41 PM   #10
chevydog66
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Join Date: Oct 2003
Location: Fort Wayne, IN.
Posts: 1,998
Re: Cycling a/c or not?

The Old Air tech support guy told me I don't need a Trinary switch. I am running the clutch fan on my LS motor in the original truck shroud. The clutch cycling switch that is built into the POA update valve is all I need as long as high and low side pressures are correct. 150-250psi on the high side or 2.5 times ambient temperature, and 35-45 psi on the low side.
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66 Chevelle Malibu 406ci, 573hp, 10.99@121mph
96 Chevy Silverado Z71
72 GMC 1500 Super Custom LS 6.0/4L65 on airride

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