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Free shipping for many products! "Affordable Aluminum V8's [sic]", in, Turbo Hydramatic 425 FWD 3-speed automatic, "1975-79 Cadillac Electronic Fuel Injection", "Oldsmobile 403 Engine - Car Craft Magazine", https://en.wikipedia.org/w/index.php?title=Oldsmobile_V8_engine&oldid=1138357918, 1968 and 1969 400s shared the Olds big-block standard 4.25in (108mm) stroke with the 455 but used a, 19681970 Oldsmobile Toronado GT (W34), 400hp (300kW), This page was last edited on 9 February 2023, at 06:46. Those were the good old days. However, former Cadillac engineer Harry Barr, who led the development of Cadillacs first OHV V8, later asserted that Charles L. McCuen, then GMs vice president of engineering (and the former general manager of Oldsmobile) had ordered Cadillac chief engineer Jack Gordon to show Cadillacs OHV design to Oldsmobile carburetor engineer Tony Wauters. Inevitably, the 88 overshadowed Oldsmobiles cheaper 76, which still used a 257 cu. . Oh, and lets not forget the Bonneville speed merchants. It has gained popularity among young muscle car lovers. A nominal 360 hp was claimed in 1967 when equipped with a W30 camshaft, 4-barrel, and outside air induction, 502 of which were factory produced. 1967 Oldsmobile Delta 88. Output for 1983-1985 was 180hp (130kW) and 245lbft (332Nm). Produced from 19681980, the Rocket 350 was entirely different from the other GM divisions' 350s. (2,969 cc) six with a compression ratio of 12.5:1, where most contemporary engines had ratios of no more than 7.0:1. Thank you! The cookieconsent_status cookie recorded whether or not you consented to analytics tracking and told the website to hide the notification banner; this cookie normally expires after about one year. For additional technical information about the cookies used by the analytics service, see their "Google Analytics Cookie Usage on Websites" page; for your reference when reviewing that page, we did not use Google Analytics 4. Its output of 0.45 hp per cubic inch was 7% better than the 0.42 hp per cubic inch of the popular and widely produced 100hp (75kW) 1949 Ford Flathead V8. Some of the photos in our Avanti article, and those of our story on the Packard One-Twenty, were taken at the same time. 1955 Oldsmobile 88 gasoline blue manual This is a 1955 Olds 88 with its original 324 V-8, automatic, power steering and brakes, tinted glass (all windows), factory wheel covers, wide whitewalls and&. Around the end of that year, the project nearly ground to a halt due to objections from Cadillac. Embedded video players for content hosted on the YouTube video platform (which is owned by Google LLC) may set these third-party cookies and/or use similar technologies to store data in your browser (or other user agent) for purposes such as (without limitation) managing video settings (e.g., tailoring the playback to your connection speed), storing video preferences, providing certain functionality (e.g., allowing you to pause a video at a particular point), showing you advertisements, associating your video viewing and other activity with your Google account (if any), ensuring proper functioning of the service, preventing abuse, and/or compiling user analytics data. This 1950 Oldsmobile Rocket 88 has the Deluxe trim with a dashboard clock; Deluxe models cost $78 more than the standard-trim version. Adding turn signals, backup lights, windshield washers, and heater tacked an additional $112 to the price these items wouldnt be standard for several more years. We'll start with Olds and return to Caddy in another article. We may sometimes present an alternative version of the sidebar offering different options, which may set the a11y-desaturated, a11y-high-contrast, and/or a11y-larger-fontsize cookies if you change those settings. However, my research has of necessity stretched back somewhat further than that and not just to the late 40s but, in tracing company histories, at least as far back as 1903 and the curved dash Oldsmobile. (PayPal.com, PayPal, and all logos related to the PayPal services are either trademarks or registered trademarks of PayPal, Inc. or its licensors. 88. in. Using the 5 liter Rover block and crankshaft, a maximum displacement of 317.8cuin (5,208cc) is theoretically possible.[14]. Presumably this says something about the cars place in the culture. The engine built in the 1955 Super 88 and 98 models delivered 295 horsepower. The Rocket, along with the 1949 Cadillac V8, were the first post-war OHV crossflow cylinder head V8 engines produced by General Motors. An engines static compression ratio is the ratio of the swept volume of each cylinder to the volume of the combustion chamber; the higher the ratio, the more the engine compresses its fuel mixture before combustion. This is not an official website of any automaker or automotive brand! Owned that vehicle till 1970 and traded in due to a bad dual chamber fuel pump for $350. They normally expire after about one year. The cookies are not set at all unless you select that option when submitting a comment. See these additional Auto Museum Online articles on the links below From 1949 until 1951, the 2-barrel carburetor 303 produced 135hp (101kW) and 253lbft (343Nm). (Google, DoubleClick, YouTube, and other related marks and logos are trademarks of Google LLC. Many of the other listed cookies are associated with the Google Analytics service, the Google AdSense advertising service, and/or other Google advertising and measurement products, which are subject to the Google Privacy Policy; see their "How Google uses information from sites or apps that use our services" page, the "Information for Visitors of Sites and Apps Using Google Analytics" section of the Google Analytics "Safeguarding your data" help page, the "Technologies" section of their Google Privacy & Terms site, and the "Our advertising and measurement cookies" section of the Google Business Data Responsibility site (which includes a detailed list of cookies associated with Google advertising and measurement products) for more information. An 88 also won the first grueling Carrera Panamericana, the 2,176-mile (3,500-km) Mexican Road Race. For consignment a Rocket design Oldsmobile 88. Get the best deals on Complete Engines for Oldsmobile 88 when you shop the largest online selection at eBay.com. However, the only badging identifying it as such was a simple "88" underneath each taillight. Im not sure about the early Hydramatics but later ones, 54-56 you put in reverse to park. The factory painted "small-blocks" gold or blue (flat black on the late model 307cuin (5.0L)),[1] while "big-blocks" could be red, green, blue, or bronze.[1]. Its a super 88 sedan 4 door. I came here to pick up some information for a book Im writing and was pleasantly surprised to find more than I bargained for. The second generation of Oldsmobile V8s was produced from 1964-1990. Many were shared among other divisions, but each design was unique: GM later standardized on the later generations of the Chevrolet design: Northway sourced Oldsmobile Flathead V8 (1916-1923). ), If one was trying to tally how many Rocket engines were built in Olds cars in 1949-50, do you have those numbers? 98 J-2. The Olds Rocket 88 engine went through modifications during the 1950's For the 1955 model year Oldsmobile increased the compression ratio which helped put out 185 horsepower for the Olds 88 model. Call 800.979.0122, 7am-10pm, everyday. Oldsmobile like mine are real popular in australia. All other trademarks and/or service marks are the property of their respective owners. (Vimeo and the Vimeo logos are trademarks of Vimeo.com, Inc., registered in the U.S. and other countries. or is that not an Avanti peeking into the frame on the right side of the last photo? Of those sales, 100,273 were the Rocket 88. The high-compression four-barrel 394 cu. In the mid-1980s, hot rodders discovered the 215 could be stretched to as much as 305cuin (5L), using the Buick 300 crankshaft, new cylinder sleeves, and an assortment of non-GM parts. Accessing certain posts or pages on this website may require you to enter a specific password. 1952 88 and Super 88 V8s used a 4-barrel carburetor for 160hp (120kW) and 265lbft (359Nm), while 4-barrel 1953 versions raised compression from 7.5:1 to 8.0:1 for 165hp (123kW) and 275lbft (373Nm). In an OHV engine, by contrast, the valves are a fair distance away from the crankshaft, which makes operating them far more complicated. At the risk of shameless self promotion, you might also be interested in the recently revamped article on the early Hydra-Matic, which most Oldsmobiles of that vintage had. It was the seminal American muscle car, predating Chrysler's Hemi-powered 300-C by . 2 barrel carburet . 10-17, 56; Richard M. Langworth, 1954 Packard Pacific: Last of the Great Straight Eights, Special Interest Autos #51 (May-June 1979), reprinted in The Hemmings Book of Postwar American Independents: driveReports from Special Interest Autos Magazine, ed. The main distinguishing features of this engine were a slightly different camshaft profile from the standard ultra high compression engine and factory dual exhaust. During that period, Oldsmobile Motor Group draftsman Gilbert Burrell began working privately on concepts for new cars and new engines. (4,214 cc) L-head straight eight. The 303-cubic-inch (5.0L) engine had hydraulic lifters, an oversquare bore:stroke ratio, a counterweighted forged crankshaft, aluminum pistons, floating wristpins, and a dual-plane intake manifold. The Olds 403 was used by Buick and Pontiac in addition to Oldsmobile until its discontinuation after 1979. Bore was 3.75in (95mm) and stroke was 3.4375in (87.31mm). Coincidentally, Cadillac had been working since 1936 on a very similar OHV engine to replace its familiar monoblock flathead V8. Its taken economic downturns, the occasional oil embargo, and mounting signs of environmental calamity to get Americans to take a real interest in how much fuel they use; even then, that interest never seems to last for long after the latest crisis has passed. One or more wp-saving-post cookies may be set while creating and/or editing posts or pages, to help manage version control and the autosave feature; these cookies normally expire after about 24 hours. In practice, owners who did not regularly drive hard enough to engage the front and rear carburetors experienced problems with the linkage and carburetor throats becoming clogged, and some J-2-equipped cars had the front and rear carburetors removed and blocked off. A 1958 2-barrel version produced 265hp (198kW) and 390lbft (530Nm), but had problems with early camshaft failures due to the high preload valve spring forces. Diagram of a typical pushrod/rocker-arm layout of an overhead-valve engine. Oldsmobile was basically offering three full-size vehicles in 1949, but the 88 was a little bit special. The placement of the valves also means that the combustion chamber has a smaller surface area and thus greater thermal efficiency some 20% better than a comparable flathead. This car has the pushbutton radio, which cost about $96. The 324 was shared with GMC trucks. The first generation of Oldsmobile 88 was introduced in 1949. If we have enabled multi-factor authentication (which requires an authentication code as well as a password to log into the administrative dashboard), the iThemes Security plugin may also set the itsec_interstitial_browser cookie during the login process. Prior to the advent of the 1949 Cadillac and Olds engines, many (though by no means all) U.S. engines were L-head, or side-valve, design. During those few brief years, both the hot rodder and the racers weapon of choice was either the Cadillac 331 c.i. Two-door fastbacks, like this one, were known as Club Sedans; the four-doors were called Town Sedans. The 303 was produced from 1949-1953. The 1961 through 1963 Sky Rocket (and 1964 Rocket) was a high-compression, four-barrel 394cuin (6.5L) engine. Your email address will not be published. This is a session cookie that verifies that the user has entered valid user credentials pending receipt of the correct authentication code; the cookie normally expires when the user closes their browser (or other user agent). In a flathead engine, the air-fuel mixture has to go around several corners to make its way into the combustion chamber and burned exhaust gases have a similarly circuitous route out of the cylinders. Revisions to the engine for 1986 included roller lifters with a slightly smaller camshaft (.435"/.438" lift and 194/210 duration at .050"), new heads with smaller, swirl-port intake runners, floating piston pins, and larger piston dishes for lower compression (8.0:1 v. 8.4:1). Most 425s were painted red, though the 1966 and 1967 Toronado units were light blue. Not all the listed cookies and/or data items are necessarily set in all instances, and there may sometimes be others not listed above, particularly if you are logged into a Google account. Its unclear at what point Oldsmobile engineers became aware of the Cadillac engine or how much they knew about it. The V8 was standard in the new 1949 Oldsmobile 98, replacing the old 257 cu. Output was 185hp (138kW) and 320lbft (430Nm). Both are well-documented, albeit relatively short-lived. Logging in sets the wordpress_logged_in_xx, wordpress_sec_xx, and/or wordpress_xx cookies, which store the user's login credentials to allow access to the administrative dashboard and other administrative functions; there may be multiple iterations of each cookie. The first Oldsmobile V8 was of a flathead design that was developed by Northway Engine Works before GM assumed operations. These a11y cookies normally expire after about seven days, but are removed immediately if you restore the applicable settings to their default values. With a 4-barrel carburetor and 10.75:1 compression, the Olds 215 made 195hp (145kW) at 4800rpm and 235lbft (319Nm) at 3200rpm with an automatic. edu/~wkovarik/ papers/fuel.html, accessed 30 May 2008, and Henry Ford, Charles Kettering, and the Fuel of the Future,' Automotive History Review #32 (Spring 1998), pp. To learn more about how Google may use information collected by the Google Analytics service, see their "How Google uses information from sites or apps that use our services" page, the "Information for Visitors of Sites and Apps Using Google Analytics" section of the Google Analytics "Safeguarding your data" help page, and the Google Privacy Policy. In an OHV engine, the valves are placed directly above the combustion chamber, which greatly improves breathing. (For this cookie, "xx" will be a cryptographic hash.) Since the valves of a flathead are also in the block, the camshaft can actuate the valves directly. He saw the potential in an engine design offering increased compression. Most of these engines were very similar, using the same bore centers and a 9.33in (237mm) deck height, raised on "big-block" versions to 10.625in (269.9mm). There may be more than one of these cookies, particularly if you access several password-protected posts with different passwords. With an overall length of 202 inches (5,131 mm) and an overall width of 75.2 inches (1,910 mm) on a 119.5-inch (3,035mm) wheelbase, the 88 was hardly a small car even by American standards and it tipped the scales (in this body style) at almost 3,800 lb (1,717 kg) with Hydra-Matic, but its Rocket V8 would leave Pontiacs elderly straight eight or Chevrolets Stovebolt Six for dead and the Oldsmobile name carried more prestige than Pontiac or Chevrolet. California residents also have the Right to Opt-Out of the sale of their personal information see the Do Not Sell My Personal Information page. If the payment button is visible, it may set the third-party cookies PYPF (via paypalobjects.com, which is owned by PayPal, Inc.), which appears to check whether or not you are a logged-in PayPal user, possibly to facilitate the PayPal user login process, and/or 01A1 (via abmr.net, which is owned by Akamai Technologies), which stores certain technical information about your device and browser (or other user agent), possibly to facilitate the login and shopping cart functions. Compression ratios never approached the 12.5:1 level that Kettering had proposed, peaking at about 10.5:1. 15 results per page. You must be at least 18 to comment. The 403 Oldsmobile was generally painted "Corporate GM Blue" on every model line it was equipped in. I have an interest in the history of Camshaft design tildentechnologies.com. If better fuels became available, both the Cadillac and Olds engines had the theoretical potential for compression ratios as high as 12:1. So, its not particularly surprising that a highly tuned flathead Ford would be stronger than a stock 1950 Olds 303. Some L-head straight-eights were MORE powerful than early OHV V-8s, although they were getting to the limit of their potential, at least in states of tune that were still reasonably streetable. Unless youre building a rod, its often worth it to spend more upfront for a car thats in better condition. R.M. 1985), pp. OHV engines can also support much higher compression ratios. 18-23; Jim Richardson, Rocket Power: Oldsmobiles 1950 convertibles: The rocking 88 versus the jazzier 98, Special Interest Autos #188 (March-April 2002), pp. in. (Author diagram). It shared the same compression ratio of the Toronado Rocket at 10.5:1. Im wondering how many weeks of informative evening reading I can enjoy from your articles. A slightly larger 307cuin (5.0L) version was introduced in 1980. [citation needed] Most 260s were coupled to the Turbo Hydramatic 200 transmission,[citation needed] but a 5-speed manual transmission was also available in some vehicles. Runs great. The 425's stroke was lengthened to 4.25in (108mm) to achieve a 455cuin (7.5L) to create the Rocket 455 for 1968. A special 1963 10.5:1 version was also produced with 345hp (257kW). It also used the .921in lifter bore size of the Toronado Rocket.