Re: Oriface tube location
Based on my ac system rebuild and research, consider a variable orifice tube vs the stock fixed variety. My ac blows 42 degrees from the center vent even at idle or stop and go driving. It was about $30 vs $5 for the fixed, but I believe it has enhanced the performance of my complete R134 conversion..not to mention it supposedly helps keep compressor head pressure from getting too high. Good luck
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1985 Chevy Scottsdale K20 350 with 700R4 running 3.42 gearing aka "The Honey Badger"
1993 Silverado C3500 Ext. Cab Dually 6.5 turbo diesel
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