07-30-2010, 10:02 AM
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#2
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Chaotic Neutral
Join Date: Feb 2008
Location: Cherry Hill NJ
Moto: GV1200 Madura, Hawk gt
Posts: 13,992
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Dude you can build one for damned near free with a yardstick, aquarium air tubing, and some motor oil.
http://www.powerchutes.com/manometer.asp
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