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Old 08-25-2009, 04:28 PM   #40 (permalink)
Frank Lee
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Join Date: Jan 2008
Location: up north
Posts: 12,762

Blue - '93 Ford Tempo
Last 3: 27.29 mpg (US)

F150 - '94 Ford F150 XLT 4x4
90 day: 18.5 mpg (US)

Sport Coupe - '92 Ford Tempo GL
Last 3: 69.62 mpg (US)

ShWing! - '82 honda gold wing Interstate
90 day: 33.65 mpg (US)

Moon Unit - '98 Mercury Sable LX Wagon
90 day: 21.24 mpg (US)
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What is the concept?

None of the claims made any sense. None.

For example, double the rpm? The valvetrain isn't the only limiting factor. I'm not gonna be able to rev my Tempo to 13 grand no matter what I do to the valvetrain because the mass of the rotating assembly becomes a limiting factor long before then. High rpm engines are able to do so cuz they are designed to, not by accident.
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