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The fans are small but I have restricted area to work with. My guess that 2 x 10" fans would fit side by side is actually a miscalculation as the open face of the radiator is only 19" wide at best. The whole thing is a compromise. If I put the condenser right up against the front face of the radiator, the radiant heat of the radiator will affect the efficiency of both the radiator and the condenser (that was how the original A/C was set up - I'm guessing the condenser was struggling to keep up with the huge evaporator core in the cab and the tiny fan running it wasn't helping either). I've rigged the fans so the primary radiator cooling fan is on the hot side of the radiator under the top inlet and the A/C fan is on the other side. When the A/C is on, the A/C fan will push air through the cooler side of the radiator above the outlet back into the engine. I'm going to paint everything in satin black to help the heat exchange. I'm using a NipponDenso rotary compressor over the ancient Sanden SD-508 that came with the truck so fingers crossed this will be a good, efficient system. I have never messed with A/C before so doing a retrofit like this is all new to me...
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