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Originally Posted by BAN SUVS
So, Im wondering about how much pressure you get from the steam expansion relative to the heat loss in the cylinder, which affects combustion on the other power stroke. Also, the extra cooling effect directly int eh cylinder would allow combustion that would otherwise be unsafe- AFRs and ignition timing would be able to run in parameters that would normally lead quickly to hot spots and detonation.
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I think direct cylinder cooling would be a fantastic benefit to turbocharged cars, allowing for 3 and 4 bar of boost on a street car. However, I'm not sure what effect the cold exhaust would have on the turbo's spooling. You would have to redesign the turbo quite extensively, or just switch to supercharging.