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Re: How much HP does AC take away #1329064 07/08/05 08:23 PM
Joined: Sep 2000 Posts: 4,693 Thousand Oaks, California, USA B Big Jim_dup1 Hard-core CEG'er
Big Jim_dup1 Hard-core CEG'er B Joined: Sep 2000 Posts: 4,693 Thousand Oaks, California, USA	Originally posted by BOFH: Originally posted by Tony2005: "That is one of the reasons that the A/C runs during the winter during the defrost mode, to help keep the oil distributed." Huh???? Big Jim, are you saying that the A/c comes on when I have the heat (button turn to red) on and blower switch button on the defrost? Could you please clarify? Thanks. Yep, (I know I'm not Big Jim) If you have the defrost on and the temp is above a certain temp (probably around 40-50 degrees F.), the A/C compressor will run to take moisture out of the cabin. HTH, T Yes, it is true. When either of the two defrost modes are on (windshield only and windshield/vent combination) the A/C is on so that it can more quickly remove moisture from the windshield. Jim Johnson 98 SVT 03 Escape Limited

Re: How much HP does AC take away #1329065 07/08/05 10:23 PM
Joined: Jun 2003 Posts: 245 Dallas Texas B Blevans CEG\'er
Blevans CEG\'er B Joined: Jun 2003 Posts: 245 Dallas Texas	Max cooling cools the cabin air. As the temp of the cabin goes down the head pressure of the compressor lowers and it requires less power as the cabin air cools. Also at hi-way speeds the a/c requires less power than the aerodynamic drag caused by open windows. More comfortable and same gas milage! Contours are aerodynamically pretty slick. Col. Bill Evans CAF (ret) 98 Contour GL Zetec ATX (totally stock) Color-Willow Mist 104,XXX Miles

Re: How much HP does AC take away #1329066 07/09/05 12:45 AM
Joined: Oct 2004 Posts: 1,456 F FavoriteMystaque Hard-core CEG\'er
FavoriteMystaque Hard-core CEG\'er F Joined: Oct 2004 Posts: 1,456	My old Dodge Lancer does that noticeably, so much a/c drag it almost can't move but less drag after things cool. System pressure explains why. My Mystique handles the load better

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