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One of the important factors is the fuel efficiency, which with the RTU ECU itself will increase an average of 16.4%.
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Sounds like lean burn.
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Fresh cooled air is manipulated so as to allow the engine to run in a lean burn condition further cooling the engine.
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Lean burn, which this "RTU" technology apparently uses, tends to cause a slower combustion charge burn rate. This requires advanced ignition timing, and because the burn rate is slower, more heat escapes into the cylinder walls and the piston crown than with a stoich mixture.
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According to the RTU patented low temperature combustion technology, the intake gases flowing from the engine's exhaust system (red hose) are significantly colder than original.
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You can achieve the same effect by ceramic coating the turbo innards with a ceramic coating.
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The RTU patented low temperature combustion technology provides a unique feature - a closed loop hose system, where there is no need of radiator at all.
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Riiiiiiiiiiiiiiiiiiiiiiight.
And it sure would help if their spiffy animation didn't quit after 1 second.
Looks like a candidate engine to power the next unicorn vehicle.