The 1929 Chevrolet International AC Coupe was the first six - piston chamber engine introduced by the company since 1915 . The newfangled six made international headlines , while Chevrolet hailed it as " A Six for the Price of a Four . "
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The " Stovebolt , " so named because of the engine ’s slotted head bolt , cost only a little more to produce than any of the former four , but pop the question 11 more HP than the 1928 ’s four . The substructure price of the most popular simulation , the two - room access Coach , increase to $ 595 , a bare $ 10 over its price in 1928 .
The six was dewy-eyed and durable . It displace 194 three-dimensional column inch and acquire 46 bhp at 2,600 rpm . The " Cast - Iron Wonder , " as it eventually became sleep with , employed a solid overhead - valve design in a cast - atomic number 26 block , cheap cast - smoothing iron piston maintained by a non - pressurized lubrication organization , and a Carter single - barrel carburetor . Power was transferred via a three - swiftness manual infection . Fuel milage average out 19 mpg .
The achiever of the Chevy Six was such that Henry Ford originate the hasty evolution of the 1932 Ford V-8 to vie with it . The original Stovebolt would last through 1936 , but a continually improved six would remain as Chevrolet ’s only power - flora for three decennary . In that time Chevrolet would become the major player in the down - price line of business .
Chevrolet general coach Bill Knudsen and General Motors intent music director Harley Earl redesigned the Chevy to give the 1929 International Series AC a humble , more modern look . Tire size was boil down from 30 column inch to 20 inches . Styling changes also include a more orthogonal radiator , few louvers on the hood side , young one - piece crowned fenders , fresh bullet - shaped headlamp , and a wider exclusive bodyside molding . The restyle ride on a 107 - inch chassis , innovate a yr earlier on National Series ABs . This chassis was suspiciously long for the small four - piston chamber powerplant used in 1928 , omen the debut of the six .
The two - passenger Coupe received a new steel backside quarter sans ornamental Lev Davidovich Landau irons . The Sport Coupe model was premise at midyear ; it replaced the Coupe ’s automobile trunk with a rumble seat .
The featured 1929 Model AC Sport Coupe is have by Lew Dark of Portage , Michigan . Its original foot cost was $ 645 . But it sports the most popular option , bumpers ; some rarefied options , conducting wire cycle and a individual sidemount spare ; as well as track - circuit board step plate , a radiator - crown hood mascot , and a spotlight . Dark purchased his Chevy in 1963 as a " basket slip . " He restored it himself and put it back on the route in 1971 . He has shown and driven the Chevy throughout the United States .
