or Postal Delivery). In the DJ5G, it was mated only to a 3-speed A904 automatic transmission with a VW/Audi pattern bellhousing. In AMC passenger cars with manual transmission, this engine was mated to a BorgWarner HR-1 4-speed transmission. Passenger cars with automatic also used the A904. It shares the bellhousing pattern with several German cars (Audi 5-cylinder inline), although it does not share the bellhousing pattern with the VW Rabbit diesel line of engines. Renault 126 turbodiesel The Renault-developed 4-cylinder turbodiesel was an optional engine used in AMC's Jeep line between 1984 and 1986. It was mated to a standard four-speed or optional five-speed manual, and with either transmission delivered exceptional fuel economy. For a diesel of this size at that time, power delivery was respectable, at at 3,750 rpm, at 2,750 rpm. The engine was also known for relatively instant pedal response at a time when both diesel- and turbocharger-equipped engines generally were known for a noticeable lag. Weighing in at only , it also featured first-tier technology for the time such as an intercooler and an overhead cam. When it reached the market, it marked the first time a turbocharged diesel was offered in a sports-utility vehicle in the United States. Pontiac 151 The is commonly referred to as the "Iron Duke" and is a Pontiac design. It was purchased by AMC from 1979 through 1983 as the base option in the RWD Spirit and Concord, the 4WD Eagle models, economy versions of Jeep CJs, and in postal Jeeps. This early version used a Chevrolet small block V8 bell housing bolt pattern. The 1984 and later model GM 151s used the corporate GM four-cylinder/small V6 bolt pattern (not used by AMC). Bore × Stroke 4.00" × 3.00" Compression Ratio 8.2:1 Horsepower (net) @ 4,000 rpm Torque (net) @ 2,600 rpm AMC 150 In 1984 AMC introduced its own four-cylinder engine design. All previous fours (with the exception of the Air-Cooled 108) were purchased for interim use. The AMC four was only used in Jeep and Eagle vehicles since all other AMC passenger cars ceased production in 1983. Six-cylinder engines Nash and Hudson beginnings When Nash and Hudson merged to form AMC in 1954 all the Hudson bodies were dropped for the 1955 model year. The Ambassador and Statesman received a hasty grille/taillight/trim/dash restyling to create the new Hudson Hornet and Wasp. The Nash Ambassador Six retained the Nash