Yeah, I believe your right.
the hanger does have better presence and I've always been a two stroke man but I have the engine already and I want to use it on this project.
For my fun I have a 3.2 Brisson on my 80in GSC 540 which is just (Plane Fun)
Thanks for all the flyers who are responding.
And yes the End result will be The Hanger Nine 540 as it is soon to be out of Production.