First, welcome to the Bullnose Forum!

As for the problems, let's rewind a bit. Did you have starter problems before the shade tree mechanic worked on it? And did he replace the starter or just the flywheel, clutch, and rear main seal?
It sounds like he put the wrong flywheel on, although I wasn't aware that there are different flywheels for the 460. Perhaps someone else does know?
Also, the question will come up regarding your location. Perhaps you are close enough to one of us to get help face-to-face.
Gary, AKA "Gary fellow":
Profile
Dad's: '81 F150 Ranger XLT 4x4: Down for restomod: Full-roller "stroked 351M" w/Trick Flow heads & intake, EEC-V SEFI/E4OD/3.50 gears w/Kevlar clutches
Blue: 2015 F150 Platinum 4x4 SuperCrew wearing Blue Jeans & sporting a 3.5L EB & Max Tow
Big Blue: 1985 F250HD 4x4: 460/ZF5/3.55's, D60 w/Ox locker & 10.25 Sterling/Trutrac, Blue Top & Borgeson, & EEC-V MAF/SEFI