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This album is a walk through of how I upgraded my old R12 system to a newer R134 CCOT (cycling clutch with orifice tube) system. I used a Sanden compressor, modified evaporator, high flow condensor and an accumulator and cycling switch from a 95 Chevy S10. I get about 46 degrees at the center dash vent with blower on high. The Sanden Compressor is super quiet and pulls my rpm's down very minimally when the compressor clutch engages. I plan on doing the upgrade to my other two 2nd gen Trans Ams as well. Very happy with this system and the simplicity over the original factory set-up, but what's most important is I now have cold air for the first time in many years! Money well spent.