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Old 07-31-2010, 07:25 PM   #30 (permalink)
ShadeTreeMech
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)
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As much as I am for modifying a car to take advantage of better fuel economy, I also respect the skill involved in engineering an engine to be as efficient as possible (except Chrysler, which seems to always be 10 years behind. I work on a 1990 Dodge van that has a *gasp* smog pump fitted as stock. WTF!!!)

What is the cost of 1 minute of excessive fuel usage compared to the value of a properly tuned engine? If you're OCD about such things, get a diesel. The gas engine is years behind in sophistication, hence why diesels give better economy. But causing an over lean condition will burn a hole in pistons, and afterwards, your pocketbook. Ask me how I know if you doubt this.
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Quote:
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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