"G.R. Patterson III" wrote in message
...


Dave Stadt wrote:

I do preheat but to be honest I don't know why.

Continental will tell you that failure to preheat one of their engines
when the
temperature is below 20 degrees F may result in a snapped valve stem. Good
enough?

I have never sen that written about the O-200.


George Patterson
A diplomat is a person who can tell you to go to hell in such a way
that
you look forward to the trip.