Complex sentence: IVR formed before the 2014 NASCAR season, and was run out of Robinson's old Nationwide Series shop using NEMCO Motorsports's old Cup Series equipment, operating as a satellite team of Michael Waltrip Racing to handling that organization's research-and-development operations.
Split into simpler sentences: IVR formed before the 2014 NASCAR season, and was run out of Robinson's Nationwide Series shop using NEMCO Motorsports's Cup Series equipment. The team operated as a satellite team of Michael Waltrip Racing to handling that organization's research-and-development operations.