Althoughpreheating is something most of us first learned about in private pilot ground school, itremains a subject that's poorly understood even by experienced pilots and aircraft owners.There are a lot of misconceptions about why preheating is important, when it's necessary,and how it should be accomplished. But, by the time you've finished this article, Ipromise that you'll be an expert on the subject.
This is a companion discussion topic for the original entry at https://www.avweb.com/ownership/the-whys-and-hows-of-preheating