Installed forward seat lap belts. Removed markings and blue plastic from exterior. Back filled wing tips, aft fairing and HS tis w/3M epoxy filler. Sanded aft fairing and installed. Sanded HS tips. Sanded oil door. Riveted latches to oil door and door to cowling. Sanded upper intersection fairings. Need more filler. Drained preservative oil. Installed and safety wired oil Safe Drain. Added fuel to L tank. Disconnected fuel line at fuel servo and tested fuel flow. Tested fuel flow in R tank. Added 8 quarts of Aeroshell 100 mineral oil. Installed cowling. Weighed aircraft 3 times. Scales were rated 1-Good, 2-Fair, 3-Bad. First weigh in: L2 550 R1 555 T3 63 Second: L1 552 R3 551 T2 61 Third: L3 549 R2 552 T1 61 Final recorded weigh in based on the Good scale: L 552 R 555 T 61 Total weight: 1168 lbs.