Sounds like unobtainium.....
There are thermal barriers that can prevent heat from spreading from a source. Or there are materials to conduct heat away from a source. You cannot just put a liner in a engine and have the heat "absorbed".
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Autobahn Country Club (North and South Tracks), Blackhawk Farms, Grattan, Gingerman, Mid-Ohio, Putnam Park, Road America, Sears Point, Thunderhill, VIR and "The Ring"
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