Angus Davis wrote:

The type of engine does not affect whether or not it will be susceptible
to carb ice.

Yes, it does. Lycoming routes the induction through the oil sump in many
of their engines. Once the engine reaches operating temperature, that
keeps the induction tubes at about 180 degrees. That keeps the carburetor
much warmer than Continental engines do.

George Patterson
The optimist feels that we live in the best of all possible worlds. The
pessimist is afraid that he's correct.
James Branch Cavel