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Old 04-04-2009, 01:41 PM   #3 (permalink)
FastPlastic
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Join Date: May 2008
Location: Ames, IA
Posts: 419

98 Cherokee - '98 Jeep Cherokee
90 day: 17.18 mpg (US)

ZX7R Ninja - '99 Kawasaki ZX7R Ninja
90 day: 42.45 mpg (US)
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Doesn't the channel on race cars fan out at the back, creating suction, to increase down force? That would be counter productive for MPG's. I could see a strait line back may improve things.

What your talking about sounds a lot like a ram-jet engine. Squeeze the air really tight and warm it up with the exhaust, see if you can get some push from it. I wanna say they did that with the P-51 mustang. Got a few extra MPH's out of it.
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