I would not put it under the hood either. If you look at the specs of the compressor it has a normal operating temp. at around 150*. With your engine running around the 200* mark and the air temps under the hood you are at or over the normal operating temperature of the air compressor before you even start to use it. You will pre-maturely wear it out and\or blow fuses when you start to use it. Almost everyone I know who has an ARB or comparable compressor mounted under the hood has blown fuses. An overheated compressor will draw more amps.
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