Most of these engines were very similar, using the same bore centers and a 9.33 in (237 mm) deck height, raised on "big-block" versions to 10.625 in (269.9 mm). Oldsmobile charged $83 for the J-2 option with the three-speed manual (or in the 98),[5] $314 dollars with the automatic.[6]. The big-block engines initially used a forged crankshaft with a stroke of 3.975" for the 1965-1967 425 and 400 CID versions; starting in 1968, both the 400 cu in (6.6 L) and the 455 cu in (7.5 L) big blocks used a stroke of 4.25 in (108 mm), with crankshaft material changed to cast iron except in a few rare cases. Depending on carburetion or use of turbocharger. The Rocket, along with the 1949 Cadillac V8, were the first post-war OHV crossflow cylinder head V8 engines produced by General Motors. Leading High Performance Oldsmobile Parts Distributor . V8. Bore was now 4.0 in (100 mm) and stroke was increased to 3.6875 in (93.66 mm) for 371 cu in (6.1 L). This engine was only available in the Oldsmobile Starfire and a performance economy model called the Jetstar I. 1968-1974 350s were painted gold; 1975-1976 350s were metallic blue like the 455; 1977-1980 models were painted GM Corporate Blue. Oldsmobile adhered to the prevailing industry philosophy that horsepower sold cars, but torque won races. 1949 OLDSMOBILE ROCKET 88 WITH ORIGINAL 303 V8/HYDRAMATIC TRANS. History of Oldsmobile; Show & Event Coverage. The automaker launched the Oldsmobile 4-4-2 in 1964 in response to the Pontiac GTO. In 1964, Olds developed the small-block 330 V-8, and four years later the Rocket 350 arrived. Every 307 used a four-barrel carburetor, which was a variant of the Rochester Quadrajet, usually the CCC (Computer Command Control) Quadrajet. The Chevrolet Corvair Spyder Turbo, likewise a forced induction i.e turbo-powered car, predated the Oldsmobile Jetfire Turbo, however by only a few weeks[citation needed], thus being the world's very first turbocharged commercially sold vehicle. From 1950 through 1974 the 88 was the divisions most profitable line and in the early years was one of the best performing automobiles, thanks to its size, light weight and advancements of the overhead valve V8 engine. For the Rocket 88, Oldsmobile came up with a 303 cubic inch V8 capable of a maximum 135 hp and 283 lb-ft of torque. These were wedge-head engines with a unique combustion chamber that resulted from a valve angle of only 6°. The early Repco engines produced up to 300 bhp (220 kW), and featured new SOHC cylinder heads and iron cylinder liners. Known variously as the Rockette, Cutlass, and Turbo-Rocket by Oldsmobile (and as Fireball and Skylark by Buick),[8] it was a compact, lightweight engine measuring 28 in (71 cm) long, 26 in (66 cm) wide, and 27 in (69 cm) high (same as the small-block Chevy),[9] with a dry weight of only 320 lb (150 kg). Output for 1983-1985 was 180 hp (130 kW) and 245 lb⋅ft (332 N⋅m). A slightly larger 307 cu in (5.0 L) version was introduced in 1980. The "Rocket" name was prominently emblazoned on the air cleaner until 1975. It was released one year earlier than the tall deck 425, and debuted the standard 3.385 in (86.0 mm) stroke; bore was 3.938 in (100.0 mm). This was much flatter than the 23° of the small-block Chevrolet and 20° of the Ford small-block wedge heads. We are known for our high quality,attention to detail and meeting our customers goals. These taller-deck models are commonly called "big-blocks", and are 1 in (2.5 cm) taller and 1.5 in (3.8 cm) wider than their "small-block" counterparts.[1]. Using the 5 liter Rover block and crankshaft, a maximum displacement of 317.8 cu in (5,208 cc) is theoretically possible.[12]. [16] It produced 110 hp (82 kW) net and 205 lb⋅ft (278 N⋅m). The torque rating for both engines was 275 foot-pounds. The L34 used a 4-barrel carburetor and produced 160–170 hp (120–130 kW) and 275 ft⋅lbf (373 N⋅m). ... It’s packing the Rocket 350 V8, which was rated at 250 horsepower. Only the 1976 Cadillac Seville came equipped with a fuel-injected 350. The Rallye 350 saw a reduction in horsepower to 310, but its torque rating skyrocketed to 490 foot-pounds. The 400 cu in (6.6 L) version was the second tall-deck "big-block" Olds. This very open and flat chamber was fuel efficient and had lower than average emissions output. The engine design for the Rocket 88 came from GM’s chief researcher, Charles Kettering. The biggest-ever Oldsmobile Rocket V8 was a stroked 400 that arrived in 1968 with 455 cid. He served stints as a newspaper and magazine editor in Saudi Arabia and the United Arab Emirates. History. The 1967 and later versions of the Repco engine had proprietary engine blocks. All Oldsmobile V8s were manuf… Shop 324 Oldsmobile V8 parts and get Free Shipping on orders over $99 at Speedway Motors, the Racing and Rodding Specialists. The engine is painted the correct gold color, the air cleaner is correct and all the factory stickers look to be in good condition. Flory, J. 1949 Oldsmobile Rocket 88 for sale located in Cadillac, Michigan - $10,595 (ClassicCars.com ID CC-1301857). Bore was increased to 3.875 in (98.4 mm) (same as the later 283 Chevy) and stroke remained the same at 3.4375 in (87.31 mm). Bore was up to 4.125 in (104.8 mm) for the largest first-generation Rocket, the 394 cu in (6.5 L). 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