Quote:
Originally Posted by Lazarus
The hotter the engine the more effecient. I'm currently running water temps of 200-207. If I bumped that up to 215-220 and ran a high quaility coolant. What kind of bump in FE do you think? At what temp would the head gasket become a concern.
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The only relationship that I know of,is raising the temp in the combustion process with high-temp metalurgy or ceramics such that the delta-T is actually increased and waste heat eliminated.An adiabatic cycle.No cooling system.
Experimental engines have been tested.Nitrogen oxides were an issue at temps where 'inert' gases begin to react.
Vapor-phase or dry lubrication is also of interest.
Be careful.