With Jim's help, put on the prop and tightened down the bolts. Did not torque, it might some off at some time.
Ground away the part of the top cowl that will interfered with the Skybolt fasteners on the top cowl.
Spent the rest of the day putting back the -6A OAT and CAT gauge. Then put shorther hose on the AntiSplatAero oil seperator on return line. It appears it has been backing up and cuasing a loss of oil to the exhause pipe. Had a loop seal becasue it was too long.