For what it's worth, here are my mods, I've heard lots about the airframe, and how it flies and although a 4 stroke is a fine engine most people agree that for this plane to do really well, a 2 stroke holds the key. Of course the decision is ultimately yours, I'm just passing along what I've found from other sources.

I also re-directed the antenna to come out the top of the fuse ahead of the rudder rather than drag on the ground and get caught in the tail wheel as the design calls for.

counter balances

more rudder surface area

pull-pull rudder

big landing gear with dubro tail wheel

ittty bitttty pilot

almost done