engine just started to try to turn backwards after shut off,,,long cranktime now then loud nosie after every rotation,,burned out starter,,replaced starter still same meatel clang nosie then try to dead stop starter,,after it does start runs fine nice power curve,,but idle s rough,,then locked up second starter,,checked flywkeel torqeconv. bolts nothing hiting,,or brok=nen plzz help with any ideas plzzzzz only work truck,,thxxx