Taking out AC / components - Subaru WRX Forum
 
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post #1 of 9 Old 04-01-2008, 11:38 AM Thread Starter
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Taking out AC / components

Ok, so what increases / decreases does everyone have on this ? I know I will drop 50-75 lbs and all that (maybe more) I want to keep the bare minumum for defrost and straight air from outside.... Maybe just keep the compressor ? But what increases / gains would I see by getting rid of it ? I know I will need a new belt, timing, pulleys ? Suprised I was unable to find anything on it. Just a thought as I will be doing in on a weekend when the wife is not around

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post #2 of 9 Old 05-20-2008, 08:15 AM
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our cars timing dose not around the ac. When the compressor is not engaged im sure it robs a little power....but engaged with the ac on i have heard up to 15-20hp lost not to mention mpg. Our cars weight around 3000lbs with 224 hp that gives us a power to weight of 13.39. so every 13 pounds you remove from your car frees up a horse making it that much easier for your engine to pull it around. id say the compressor lines condensor and some of the wiring could put you in at 75+ lbs. removing that much weight you would feel the difference of about 6hp. but i think you could feel more becuase you are taking drag off of the crank by removing the compressor and putting in a shorter belt so if a full pulley kit gives you 12. we can guess removing compressor and shorter belt could give you 6hp. removing the ac completely could net you up to 12hp.....in theory.....
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post #3 of 9 Old 05-20-2008, 09:53 PM
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the only reason i use mine is to keep everything all lubed up. every few months i turn on the a/c while my cars idling in the driveway.
windows down ftw!
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post #4 of 9 Old 05-21-2008, 02:57 PM
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I agree with you for the most part kh15, but I was also stationed in Ft. Polk, LA for 3 yrs, the south, especially around San Antonio is a whole different kind of heat.

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post #5 of 9 Old 05-21-2008, 03:22 PM
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You have had your car for what? 12 months? Don't do this. Someday sooner than you think you will sell that car and it will be a HUGE pain in the ass for what was really a very pathetically small gain.

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post #6 of 9 Old 05-21-2008, 03:26 PM
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I'm not entirely sure about on the Subaru, but i've always heard people wanting to disconnect the A/C for more power, when in reality, sometimes you gain like what, 3hp? My 86' Corolla has the A/C belt off, and i didn't notice anything at all...

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post #7 of 9 Old 05-21-2008, 07:36 PM
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the defroster uses the a/c. no compressor=no defroster
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post #8 of 9 Old 06-06-2008, 01:28 PM Thread Starter
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I hardly ever use my AC/defroster for that fact. Very soon, the rex won't be my daily driver and will be under construction....... Dunno.. It is ball-arse-hot here.

Mosc,
I have gone through .......ummmm..... Since 2000 this is my 5th car. I am done. The wife gets the next one. So, a minimum of 10 yrs till I get another car.....

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post #9 of 9 Old 06-06-2008, 01:51 PM
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do not underestimate the power of the STi side...

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