The Whys and Hows of Preheating

In less than a minute, a single cold start without proper preheating can produce more wear on your piston aircraft engine than 500 hours of normal cruise operation. If it's cold enough, a single cold start can cause the catastrophic destruction of an engine shortly after takeoff. This is serious stuff, folks! AVweb's Mike Busch tells you what you need to know to make it through the cold-weather flying season without damaging your expensive powerplant.

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