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Old 04-14-2012, 02:31 PM   #6 (permalink)
SoobieOut
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2006 DaCivic Hybrid - '06 Honda Civic Hybrid
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I tried this on a Ford back in the 80's.

From what I remember you only see gains on a very high compression engine. The water helps prevent detonation and allows for greater horsepower. Don't know what it does for FE.

Some radial engines in WW2 used water injection to increase horsepower.
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