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The firing order has been changed from that shared by all previous Modular V8s (1-3-7-2-6-5-4-8) to that of the Ford Flathead V8 (1-5-4-8-6-3-7-2). [17] Compression ratio is 11.0:1, and despite having port fuel injection (as opposed to direct injection) the engine can still be run on 87 octane gasoline.
The design was soon bored to 260 cu in (4.3 L) and again to 289 cu in (4.7 L), then stroked to 302 cu in (4.9 L), settling on the most common displacement offered until the engine's retirement in 2001, nearly 40 years after the basic block design debuted. Two additional displacements were produced during the engine's history.
The Nash Ambassador Six retained the Nash 252.6 cu in (4.1 L) OHV six for 1955 and 1956, V8 only for 1957. The Nash OHV six, dating back to 1934, was a totally different design than the Rambler 195.6. Hudson six-cylinder cars retained the Hudson L-head six, 308 cu in (5.0 L) in the Hornet and 202 cu in (3.3 L) in the Wasp.
In 1991, the Oldsmobile 307 was replaced with a 305 cu in (5.0 L) throttle body fuel-injected small-block Chevrolet L03 V8, which was also found in Chevrolet's Caprice, C/K light trucks, and G-series vans. In 1993, the 180 hp (134 kW) 350 cu in (5.7 L) L05 V8 became standard in the newly-renamed Cadillac Fleetwood.
The Gen-2 AMC V8 was first introduced at 290 cu in (4.8 L) in 1966. It was used exclusively in the Rambler American model in the first year. The 343 cu in (5.6 L) came out in 1967 and the AMX 390 cu in (6.4 L) arrived in mid-1968. These engine blocks were unchanged through the 1969 model year.
The LE9 5.0 L (305 cu in) was a version of the 305 with a four-barrel 650 cu ft/min (18 m 3 /min) carburetor and equipped with electronic spark control (ESC), [32] a 9.2-9.5:1 compression ratio, the LM1 cam and 14010201 casting heads featuring 1.84/1.50" valves, and 53 cc (3.2 cu in) chambers. The engine produced 165 hp (123 kW) at 4,400 and ...
Pontiac's 215 cu in (3.5 L) (1964–1965) was a smaller bore of 3.75 in (95.25 mm) version of the 230 cu in (3.8 L) Chevrolet straight-six engine. One oddity is the crankshaft bolt pattern; in lieu of the Chevrolet V8 bolt pattern (also shared with the rest of the third-generation six), the Pontiac V8 bolt pattern is used.
This engine kept the 3.8 L's bore, but featured a stroke lengthened to 95 mm (3.74 in), bringing its displacement up to 4,195 cc (256.0 cu in). Power output of the 4.2 L V6 in the 1997 F-150 was 205 hp (153 kW) at 4750 rpm, and torque was 260 lb⋅ft (353 N⋅m) at 3000 rpm.