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Old 09-25-2008, 10:57 AM   #3 (permalink)
EcoModding Lurker
Join Date: Jan 2008
Location: Sydney, Australia
Posts: 76

Piaggio Fly 150 - '10 Piaggio Fly 150
90 day: 64.8 mpg (US)
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The Golf Ball dimples are an example of a good idea taken out of context. The dimples are there to keep the flow around the golf ball from separating, on the inside of a tube that is not really a problem. That product sounds like a huge gimmick.

If you want a scientific way to measure the intake restriction have a look at this autospeed article. If that doesn't help just search the website for other articles on air intakes. They have a 3 part series called into the intake:- for FE focus on the mods which reduce flow restriction rather than the cold air intake stuff.
Check out my Green Cars Blog and the DIY electric car Wiki. Enjoy!
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