EngineRebuildsEngineRebuilds-1 At MGM we pay attention to the details, that’s why customers come to us for maintenance, track support, engine and transmission rebuilds, and restorations. We are currently restoring several early 911s. These are full, ground up restorations. Every system and sub-system are restored to new or better then new condition.  We make sure that when done these cars will be concourse quality. Stop by and visit our shop, you will leave with confedence that MGM delivers the goods.