Answer: bonnevilleflats

AnswerCrossword Clue
BONNEVILLEFLATSPart of the Great Salt Lake Desert used for speed tests
BONNEVILLEFLATSBad Pontiac tires?
BONNEVILLEFLATSWhere motor speed records are made.
BONNEVILLEFLATSSite of auto speed tests in the Great Salt Lake Desert