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Old 01-27-2009, 04:50 PM   #8 (permalink)
93 Metro Streamliner
Join Date: Oct 2008
Location: Oregon
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AeroMetro - '93 Geo Metro
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Originally Posted by Frank Lee View Post
It'd probably make the innards nice n clean.
That would be a BAD thing, because the cylinder walls need to be oily.

Not only does water injection absorb heat and cool the engine, but while it is absorbing the heat, it converts to steam and expands, assisting the other combustion gasses in pushing the piston downward. This effect would be completely lost if it was steam already.
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