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Old 09-08-2009, 02:55 PM   #1 (permalink)
IsaacCarlson
eco....something or other
 
Join Date: Jul 2009
Location: Colfax, WI
Posts: 724

wood hauler - '91 Ford F-250
Team Pontiac
90 day: 26.69 mpg (US)

Rav - '06 Toyota Rav4 Base
90 day: 26.52 mpg (US)
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well, my factory air box and cold air don't seem to hurt fuel economy too much

but i still want to pull warm air. I figure if i use cold air the car says "hey, more air volume/density, more gas" but if i use warm air it might be something like "hey warm air, i can use less gas because the flame speed goes up and there is a little less air density"?????? maybe, i hope.....

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1991 F-250:
4.9L, Mazda 5 speed, 4.10 10.25" rear
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