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Old 01-28-2014, 10:45 AM   #11 (permalink)
Basjoos Wannabe
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Join Date: Apr 2009
Location: Arkansas
Posts: 870

The Van - '97 Mercury Villager gs
90 day: 19.8 mpg (US)

Lyle the Kindly Viking - '99 Volvo V70
90 day: 25.82 mpg (US)
Thanks: 174
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My Volvo has a factory wai, which seems to send hot air to the engine until the engine gets to temp, then it will heat the air to about 90F once the engine is warm. I could easily make all the air come from the stovepipe all the time by locking the temperature control valve in the hot position, but I fear hurting the engine. This is my first decent car and don't want to ruin the engine.

RIP Maxima 1997-2012

Originally Posted by jamesqf View Post
I think you missed the point I was trying to make, which is that it's not rational to do either speed or fuel economy mods for economic reasons. You do it as a form of recreation, for the fun and for the challenge.
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