Be sure and insulate it really well. Two or three wraps of tape. I also
put a piece of stove pipe at the 90 degree elbow and even cut back
some of the wood as it was getting blackened ! That was 10 years
ago, still gets hot, but I keep engine cover off during long runs of several hours and always run the blower with engine.
The original insulation was asbestos plaster.
Best Regards
Art
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