I finished a 4* 60 recently and made some of the mods suggested on RCU. From what I've read, the recommendations for the 40 apply to the 60. I shorted my wings, sheeted the turtle deck, and trimmed the canopy. I also added round tips to the wings and replaced the ailerons (a.k.a. ugly thick slabs of balsa) with some 2" aileron stock from SIG. Plus I added wheel pants for looks.

Kerry