Typically races are 8-14 laps. Each lap is approximately 1 minute. Ideal temperature is attained at lap2-4 (200 deg Fahrenheit). Often times the tires are not at an ideal heat (too cold) by the time the engine is ready...
..and I could used up to 5 lbs of additional material to add to the mount.. So, if I were to use a 5lb steel (or whatever material) block that was brought down to the temperature of dry ice, you believe that would it have little to no effect on the overall temperature for this brief period...
I have a racing engine that is air-cooled. It operates most efficiently when it is cool (250 degrees Fahrenheit. When it exceeds 300 degrees Fahrenheit, performance begins to fall drastically. It has an aluminum engine mount. By the end of a 20 minute session, the mount is heat soaked from...