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Old 10-07-2013, 11:30 PM   #6
derklug

 
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Drives: 12 Boss 302
Join Date: Sep 2009
Location: Grand Rapids, Mi
Posts: 1,369
Old a/c compressors used about 7hp, new models use around 5. On a 400 horse engine, this draw is like leaving your golf clubs in the trunk. On a 150 horse car, it is like having a passenger. At wide open throttle, most cars shut down the a/c compressor to get better performance, so turning it off on the Reasonably Priced Car probably doesn't make a difference.
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