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The small stroke change of 0.03 in (0.76 mm) was accomplished by moving the piston pin and changing the crankshaft stroke; the rod length did not change. The deck height of the AMC six-cylinder block was increased by 1 ⁄ 8 in (3.2 mm) (half the rod length difference) in 1971 to allow for the longer stroke required for the 258. There are only ...
The 366 cu in (6.0 L) big-block V-8 gasoline engine was used in Chevrolet medium duty trucks and school buses. It had a bore and a stroke of 3.935 in × 3.76 in (99.9 mm × 95.5 mm). This engine was made from the 1960s until 2004.The 366 used 4 rings on the pistons, as it was designed from the very beginning as a truck engine.
The most common form of this engine used a two-barrel carburetor, initially with 9.5:1 compression. It had hydraulic lifters and valves of 1.773 in (45.0 mm) (intake) and 1.442 in (36.6 mm) (exhaust), and was rated (SAE gross) at 220 hp (164 kW) at 4,600 rpm and 300 lb⋅ft (407 N⋅m) at 2,600 rpm. Optional was a four-barrel version rated at ...
The smaller engine, dubbed 3.2 litre, featured a 79.30 mm (3.122 in) stroke and a swept volume of 3,157 cubic centimetres (193 cu in). The larger engine, dubbed 3.9 litre, shared the 99.31 mm (3.910 in) stroke of the previous 4.1 litre engine for a swept volume of 3,949 cubic centimetres (241 cu in).
Accessories — The crankshaft pulley diameter decreased by 14% (as compared to the GT) in order to under-drive the alternator (automotive), air-conditioner, and smog pump, all to increase the power output. The water pump pulley was also decreased in diameter by the same amount in order to preserve the ratio of the pump's speed, and thus ...
Although it shared the same layout and architecture with the 1949-vintage engine, the revised engine had shorter connecting rods and was 1 in (25 mm) lower, 4 in (101.6 mm) narrower, and 1.25 in (32 mm) shorter. The accessories (water pump, power steering pump, distributor) mounted on a die-cast aluminum housing at the front of the engine for ...
The 301.6-cubic-inch (4.9 L) GMC inline six was produced from 1952 to 1960, when it was replaced by the V6. It has a square bore/stroke ratio of 4 by 4 inches (101.6 mm × 101.6 mm). This is the largest raised-deck engine. It was originally designed for the GMC military M135 and M211. It was used in military 2 1⁄2 -ton trucks with the ...
The Chrysler 1.8, 2.0, and 2.4 are inline-4 engines designed originally for the Dodge and Plymouth Neon compact car. These engines were loosely based on their predecessors, the Chrysler 2.2 & 2.5 engine, sharing the same 87.5 mm (3.44 in) bore. The engine was developed by Chrysler with input from the Chrysler-Lamborghini team that developed the ...