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Old 07-31-2010, 02:37 PM   #22 (permalink)
ShadeTreeMech
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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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C3H8, that is an interesting screen name. Isn't that the molecular formula for propane?

I would suspect adding the propane changes things up a bit. And changing things up a bit changes the known rules concerning modifications, and considering your astounding fuel economy, who can deny your knowledge? Of course, I must ask, since others will, do you add the gallons of propane used into the amount of gas used? Otherwise, your mpg figure would be off quite a bit.
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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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