Bonneville Speedway record and the men's record at a speed of . In the series finale episode of "Mad Men", Donald Draper drives a 1970 Chevrolet Chevelle SS muscle car in the races at Bonneville Speedway. Bonneville Speedway Bonneville Speedway (also known as the Bonneville Salt Flats Race Track) is an area of the Bonneville Salt Flats northeast of Wendover, Utah, that is marked out for motor sports. It is particularly noted as the venue for numerous land speed records. The Bonneville Salt Flats Race Track is listed on the National Register of Historic Places. The salt flats were first used for
Triumph Speed Twin features such as the transmission and clutch were straight from the Triumph single. Originally with girder forks, the sprung saddle was the only rear suspension as the Speed Twin had a rigid frame - also from the single cylinder production line. On the night of 14 November 1940 the majority of the city-centre of Coventry was destroyed by German bombs and the Triumph factory (which was working on an order of thousands of military specification 5T's) was completely wiped out, and all of Triumph's technical records, drawings and designs were destroyed. After the war the recovery of Triumph at Meriden