Manufactured support strap for exhaust system. Cleaned and primed. Installed throttle and mixture bearing hardware. Checked full throw to both stops. Torqued and torque sealed both bearings. Installed safety wire on throttle and mixture brackets as well as cylinders #1 and #3 temperature probes. Installed new outer exhaust stud on #4 cylinder. Installed #2 and #4 exhaust pipes and EGT probes. Installed safety wire on #2 and #4 EGT probes.