Install the fittings for the oil pressure and oil cooler hoses. I used the medium weight tightseal. The installation of the oil cooler fitting between the magnetos was a bit tricky, but using a crowfoot wrench and an open end wrench it is manageable. We lifted the engine with the engine hoist and positioned it in front of the engine mount. Taking the advice of an experienced (16X) plane builder friend we started at the bottom two mounts. This was quite easy and I can see why he wanted to do it this way. If you start at the top it would be very difficult to get the bolts in at the bottom. There is not much room at the bottom. Once we put the bolts in we hand tightened the castle nuts and started on the top mounts. Looking toward the cockpit the right bolt went in relatively easy. The left bolt was an other matter. It took us about 15-20 minutes to get this bolt in. We had to move the engine until it finally lined up and we could put in the bolt part ways. For the rest we had to use slight persuasion with a rubber hammer. After this we tightened up the bolts one at a time and a little bit at a time until the mounts bottomed out. Put the cotter pins in and took some pictures. On the bottom bolts the cutter pins are quite tricky. You have to turn the bolts several times to install the pin and spread the legs. We also had to use 3 washers to get the proper cotter pin position under the nuts. Obviously we checked and double checked for the right bolts (the bottom is longer than the top because of the extra large washer). What a day!! This is why we build!
