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Old 08-08-2010, 07:33 PM   #63 (permalink)
ShadeTreeMech
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The Van - '97 Mercury Villager gs
90 day: 19.8 mpg (US)

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6" would be a rather small crank pulley, so I assume it is. According to his 1:1.25 ratio, he would have a 7.5" pulley on the crank
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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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