I wouldn't recommend using 100 glycol in any engine, especially if you
are trying to fix a hot spot. Granted adding glycol to water will
increase the boiling point of the mixture (H2O and glycol), but it will
also reduce the coefficient of heat transfer. In other words you won't
remove as much heat from the engine and engine temp will actually
increase not decrease. The mixture may not boil over but you haven't
done anything to reduce the temp. Be careful when going beyond a 50/50
ratio!
Erich Trombley
Builder A028
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