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The AMC 327 V8 debuted in the 1957 Rambler Rebel, an early "muscle car" Engine bay of a 1963 AMC Ambassador with a 327 V8 four-barrel. The AMC 327 is similar to the 287, but displaces 327 cu in (5.4 L) due to the bore increase to 4 inches (101.6 mm). Unlike the 250, most 327s were produced with hydraulic valve lifters.
The '66-'91 AMC V8's generic engine weight is 540 lbs. The 360 cu in (5.9 L) AMC V8 continued to be manufactured after Chrysler bought out American Motors in 1987, and was the only engine available in the Jeep Grand Wagoneer through the 1991 model year. [7]
Engine choices consisted of AMC I6 or V8 powerplants. When it was equipped with the net 215 hp (160 kW; 218 PS) 401 cu in (6.6 L) AMC V8 engine, it would outrun other 4x4s in its class, and, with 3.07:1 highway gearing, could reach speeds in excess of 100 miles per hour (161 km/h) (early models had 120 mph speedometers).
The 1973 401 cu in (6.6 L) V8 was rated at net 255 hp (190 kW; 259 PS) and achieved 0 to 60 mph acceleration in 7.7 seconds with a top speed of 115.53 mph (185.93 km/h), despite the Javelin's four-place size and weight. [82]
A special high-performance V8 producing 340 hp (345 PS; 254 kW) at 5,100 rpm and maximum torque of 430 lb⋅ft (583 N⋅m) at 3,600 rpm was standard on The Machine with a single four-barrel Motorcraft carburetor [45] [46] [47] This was the most powerful engine AMC would ever offer in a regular production vehicle.
The net result was an engine that made 190 hp (142 kW; 193 PS) and 225 lb⋅ft (305 N⋅m). Badging on most Jeeps equipped with this engine reads "4.0 Litre HIGH OUTPUT." The new cam profile combined with altered computer programming eliminated the need for an EGR valve and knock sensor, but made the engine more sensitive to alterations ...
It is not the same as Chrysler's 360 V8. [4] Chrysler continued production of the AMC 360 engine after the 1987 buyout of AMC to power the full-size Jeep Wagoneer (SJ) SUV that was produced until 1991. [5] It was one of the last carbureted car/truck engines built in North America. [6] Chrysler never used this engine in any other vehicle.
The base V8 was the 290 cu in (4.8 L) with a 2-barrel carburetor, while a pair of 343 cu in (5.6 L) V8s were optional: a 2-barrel that ran on regular-fuel, as well as a high-compression (10.2:1) premium-fuel version with a 4-barrel carburetor and dual exhaust that produced 280 hp (209 kW; 284 PS) at 4800 rpm and 365 pound-feet (495 N⋅m) of ...