gasoline, 4-barrel version with 9.7:1 compression ratio producint . The wheelbase 1962 Ambassador was lighter than its wheelbase predecessors and was a spirited performer with the V8. This was like the 1957 Rambler Rebel, which was the quickest 4-door sedan made in the United States that year, achieving acceleration in just over 7 seconds and making it faster than the Hemi Chrysler 300C, the DeSoto Adventurer, the Dodge D500, the Plymouth Fury, and the Chevrolet fuel-injected 283. The 1962 Ambassador was basically the same vehicle and should also reach 60 mph about as quickly as did the 1957 Rambler Rebel. The 1962 Ambassador received a new front end that was very similar to the 1961–1962 Classic's, but with a crosshatch design, recessed center section, and Ambassador lettering. New, rectangular taillights were seen at the ends of restyled rear fenders, which lost their fins entirely. The exterior trim was reshuffled, and a new 2-door pillared sedan debuted. A new '400' trim line was added at the top of the line, with Super and Custom models remaining. The Ambassador offered even more luxurious interiors to differentiate it from the Rambler Classic. The 400 could be had with vinyl bucket seats, headrests, and color-coordinated shag carpets. The 1962 Ambassador came with a dual chamber master brake cylinder that separated the front and rear brakes so that in the event of the failure of one chamber some braking function would remain. This design was offered by only a few cars at that time. The 1962 models were equipped with "Walker" (brand) flow-through mufflers as well as a ceramic-coated exhaust system. Dealer-installed options included rear fender skirts and a tow hitch. In 1962, George Romney is inaugurated as the new governor of Michigan and in February, Roy Abernethy becomes CEO. A grand total of 36,171 Rambler Ambassadors were built for 1952 and AMC drops from third to fourth place in total U.S. industry sales for the year. Fourth generation 1963 In 1962 Romney resigned from AMC to run for Governor of Michigan, a position that he won. The automaker's new president, Roy Abernethy, who was responsible for the increasing sales under Romney, reacted to the mounting competition (in 1963 AMC built as many cars as they had in 1960, but overall total car sales had increased so much that it gave the automaker sixth place in domestic production; the same output in 1960 had put