exterior radiator shutters, vertical hood louvers and a four-speed manual transmission. Coachbuilder Locke provided four convertible choices in both coupe and sedan configurations, and hydraulic four wheel brakes were now standard on all Chrysler products. The top level 1930 Series 80L Limousine was listed at US$3,575 ($ in dollars ). 1931–1933 The all-new 1931 "Chrysler Imperial 8" introduced the new in-line 8-cylinder engine which was shared with the Chrysler Eight Series CP in smaller displacements. The car received a new Chrysler flathead Straight-8 with a Stromberg Model DD-3 carburetor. The Imperial introduced a vee-type radiator, a long straight hood that displayed "torpedo" styling, and wide flowing fenders with a split and slanted windshield and showed visual similarities to the Cord L-29. Various features considered luxurious in nature at the time included dual sun visors, adjustable front seats and steering column, rust-proof fenders, wire-spoked wheels, automatic heater control, safety glass and Lockheed supplied hydraulic brakes. To minimize engine vibration from being felt by passengers, an isolation feature called "Floating Power" was introduced. The Imperial Series CG offered four sedan coachwork choices from Briggs, while LeBaron offered four convertible coupe and sedan choices. At least ten Individual Custom 2-door coupes were documented from individual coachwork providers Waterhouse, Drauz and LeBaron. These were custom built to specification, and were variously equipped with anything the customer desired—even a Dictaphone. Prices ranged from US$2,745 ($ in dollars ) for the factory supplied four-door, five-passenger Sedan to US$3,575 ($ in dollars ) for the LeBaron Dual Cowl Phaeton. Stock car driver Harry Hartz set numerous speed records with a 1933 Imperial sedan at Daytona Beach, Florida. A roadster was entered in the 1931 24 Hours of Le Mans competition but did not finish due to radiator failure. It was introduced shortly after the Rolls-Royce Phantom II, Mercedes-Benz 770, Packard Eight, Duesenberg Model J, Renault Reinastella, Cadillac Series 355, and Lincoln K-series. Total documented CG production shows that 3,228 of all body style choices were manufactured, including chassis only supplied to individual coachwork providers. A stylized gazelle statuette was added to the Viking Winged helmet radiator cap and hood ornament for all Imperial vehicles starting in 1931. Model year 1932 introduced the junior Series CH Imperial while the previous Series CG became the Series CL and took the name Imperial Custom to continue to provide individually requested, customized vehicles. The Series CH was related to the Chrysler