RE: TopFlight Stinson Engine
I think a DLE 55 would be too much power. The DLE 30 should be good. I would not go with the G-38 though a proven engine,it is a much older design..
I would also consider the New O.S. 33 gasser it looks to be a winner and the price is reasonable.
Best of luck
Richard A.M.A. 52920