I you haven't already figured it out, the trick to getting the wing roots to fit.... ....is to tighten the drag/anti-drag cables while the spars are on the fuse. If the engine leaks, I'll be checking this photo with a microscope. Another "peace of mind" photo.   Hope I didn't forget anything. GPAS 1835cc, Good kit, good people to deal with. I didn't use this style of oil cooler (see page 7) Always have a big hammer around when you assemble delicate machinery.