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car runs better/faster after new water pump and accessory belt??? car runs better/faster after new water pump and accessory belt???
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Old 01-13-2010, 02:13 PM   #1
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Every time I do the slightest amount of work on the car (and even if I just tighten a lug nut) the car feels like it has at least 10 hp more than before
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Old 01-13-2010, 04:05 PM   #2
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you may not be crazy, If the pump bearings where bad, causing drag thereby robbing horse power. it be faster now.

who knows.
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Old 01-13-2010, 08:13 PM   #3
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Hehe ye I've also experienced the placebo effect

This summer I had mine waxed and polishied, and it got nano all over the place.
The loaner car was a smart

So if the was/nano gives the car so much aerodynamic that I can feel it, everybody should do it

Or it was just the slow smart I borrowed
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Old 01-14-2010, 01:24 PM   #4
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I can see it now on eBay..."New, Improved Water Pump Adds 25 HP to Boxster"

...and they'll sell them!
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Old 01-14-2010, 01:56 PM   #5
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I would buy one haha
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Old 01-14-2010, 02:01 PM   #6
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The waterpump is about a 3hp parasitic draw when operating properly. If the shaft is turning at all, while it may draw more, it's not much more.

Hp differences of less than 10hp cannot be felt.

So while academically speaking you may have restored some power, in the real world, it's most probably all in your head.

Cheers!
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Old 01-15-2010, 02:43 PM   #7
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it probably was all in my head.... the car was "out of commission" for a while and I've found the longer I"m away from my car, the more fun / faster / better handling it seems once I get back in it...

my daily driver is a nice car...but it's no sports car.... the best way to appreciate your boxster is to just drive something else....
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