Sanded top cowling gaps. Located and installed remaining clecoes in top cowling rear edge. Located fasteners on top/bottom cowl mating line. Laid out oil access door location. Marked for cutting and drilling. I will use the Avery hidden hinge on the oil door instead of the hinge provided in the kit. The Avery hinge in much stronger and is spring loaded. Also, reamed out rear spar mounting location and pre-installed required hardware. Measured for cut line of front spar attach 'dog bone'.