Measured valve lash, all within tolerance, mostly in the 70s Installed valve covers and tidied up loose items Test ran engine for leaks, no leaks found Removed previous CHT sensors Disconnected EGT sensors as bundled together with CHT sensors Resoldered all EGT & CHT connections, with new shrink tubing ... solder joints / sensor readings need monitoring NOTE - right side bundles are #1 EGT & CHT, #3 EGT & CHT, left side mixed up #2 EGT with #4 CHT, #4 EGT with #2 CHT Re-bundled all wires Replaced all spark plugs with new ones Mounted CHT sensor rings on underside underneath the 18 to 14mm adapters Torqued adapters per SDS manual Replaced valve covers with newly cleaned, sand blasted and painted covers