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It featured a smaller bore of 3 + 3 ⁄ 4 in (95.3 mm) coupled with the same 3 in (76.2 mm) stroke of the 301 (same bore and stroke used by Chevrolet when the first small block motor was introduced in 1955). It produced 120 hp (89 kW) After 1981, the Pontiac V8 was replaced entirely by the GM "corporate" V8's from Chevrolet and Oldsmobile.
The Pontiac 301 Turbo is an engine that Pontiac produced for the 1980 and 1981 Trans Am. It was a V8 engine with a displacement of 301 cubic inch which produced an officially factory rated 210 hp (157 kW) and 345 lb⋅ft (468 N⋅m) of torque in 1980.
GMC replaced the Pontiac 223 with their own 228-cubic-inch (3.7 L) 228 in 1939. This OHV (overhead valve) engine was produced through 1953. With a cylinder bore of 3.5625 inches (90.49 mm), this is the smallest low-deck engine. All four low-deck engines have a stroke of 3.8125 inches (96.84 mm) and used 7 inch long connecting rods.
Sometimes confused with the Buick designed and built 215 cu in (3.5 L) aluminum V8 that Pontiac had used in the two years prior, the "Pontiac 215" was an adaptation of Chevrolet's 194 cu.in. inline 6 currently produced and the new 230 cu in (3.8 L) overhead valve Turbo-Thrift straight-6.
Also called the GM small corporate pattern and the S10 pattern. This pattern has a distinctive odd-sided hexagonal shape. Rear wheel drive applications have the starter mounted on the right side of the block (when viewed from the flywheel) and on the opposite side of the block compared to front wheel drive installations.
Oakland's part in this plan was the 1926 Pontiac, a shorter-wheelbase "light six" priced to sell at a four-cylinder car's price point, but still above Chevrolet. Pontiac was the first of the companion marques introduced, and in its first year sold 49,875 units. [3] By 1929, GM sold 163,000 more Pontiacs than Oaklands.
It was a bored-out 241, having a 3 + 9 ⁄ 16 in (3.5625 in) bore and keeping the 3 + 1 ⁄ 4 in (3.25 in) stroke (90.5 mm × 82.6 mm). This engine was also used on 1955 and 1956 Dodge trucks. Maximum power claimed was 167 hp (125 kW) with a two-barrel carburetor; a four-barrel version with 177 hp (132 kW) was added later.
Engine displacement was a factor of the bore: the 250 cu in (4.1 L) has a 3 + 1 ⁄ 2-inch (88.9 mm) bore, 287 cu in (4.7 L) 3 + 3 ⁄ 4 inches (95.3 mm), and the 327 cu in (5.4 L) a 4-inch (101.6 mm) bore. A number indicating the bore size is cast on the top of the engine block's flywheel housing immediately behind the right bank cylinder head.