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Originally Posted by AtomicLabMonkey
And combustion gases don't? IIRC typical cylinder pressures are in the thousands of psi, any fluid at those kinds of pressures is going to squeeze through any gaps.
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Quote:
Originally Posted by BAN SUVS
Given that roughly half of the the combustion byproduct is water, I'm sure it'll be fine.
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Um, exhaust valve... I challenge you to stop an engine after combustion has been initiated but before the exhaust valve on that cyliner opens...
You can stop fuel from exploding by not firing a spark plug. Much harder to get water to not vaporize in the same environment.
So don't fire the water injector... Ok, that's an option, but does that mean the engine has to run 5 more strokes without injection to make sure? Don't know. Maybe you are right, that's not an issue.