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A/C Condenser Sizing


Phantom

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I was driving my '83ZX the other day when it was overcast and noticed that the air coming out of the vents was really cold. Later in the day when the sun was out and it was several degrees warmer it was not as cold. I also noticed that driving down the interstate at speed it was a bit colder than when in city traffic. Since I am running the car on "recirc" the air coming out of the vents is the same air as in the cabin so it is less affected by ambient temperature changes.

It appears that the "cold air" is directly related to the ability to reject heat at the condenser. This is a Texas car and I have a feeling that Nissan really didn't design the condensers to handle southwest ambient temperatures which would indicate a larger condenser would be in order or else an additional fan. Anyone else tried this? What were your results? Downside to a larger condenser?

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