Engine preheater on ebay??

On Tue, 13 Dec 2005, Bob Chilcoat wrote:

We experimented with leaving the cowl plugs in or not, and it seems to
heat the engine faster with the heat rising through the cylinder fins
and out the cowl inlets.

Have you experimented with blowing the heat in the cowl inlets and letting
the coldest air inside the cowl come out the bottom? Seems like it would
heat much faster that way since you'd be exhausting the coldest air
instead of the warmest air.

-Dan