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Category: Oldsmobile 350 rocket casting numbers

Oldsmobile 350 rocket casting numbers

Automotive Forums. Rocket vs. I've asked a lot of people and haven't been able to get a straight answer on this one. What is the difference between a Olds Rocket and a regular Olds I have a 70 Cutlass S and, while it doesn't much matter now since the motor has been professionally built to the way I wanted it, I I'm still curious if it is a Rocket or not. I've heard that the more powerful ones are the rocket, while some people say they just call the olds 's rockets.

I'm assuming mine was the base hp since I had to change a few things to put it up to the hp range. Could somebody tell me what the real difference is?

Brutus, Most of the "Rocket" engines I've seen were 4-bbl. I believe the biggest difference between them are the air cleaner housing and valve covers. In '52 or '53 can't remember, but some Olds guru shouldOlds introduced the Rocket V8. You said it best when you described the changes needed.

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It really doesn't matter. It's an Olds Unless it has a "W" in front of a number, it's no big deal. Even then, it's "debatable" Ever seen one that said "Ultra High Compression" on the air cleaner?

Early '60s Usually around Just ramblin' what I remember. Don't quote meGeneral Motors-owned Oldsmobile produced the Rocket cubic-inch V-8 engine from to GM often mixed and matched its s with different make and model cars. However, other than the Cadillac Seville, the Rocket only powered Olds models. Although it was generally a dependable engine, the Rocket suffered from a weak oil system and troublesome valve train. The Oldsmobile Rocket 88 equipped with a horsepower V-8 was the grandfather of the Olds Muscle car purists point to the Rocket 88 as the original muscle car, as Oldsmobile was the first to drop a powerful V-8 into a mid-size coupe.

Ford had powered its coupes with a V-8, but the horsepower was only Oldsmobile wanted to produce a small-block V-8 that packed a wallop. InOlds developed the small-block V-8, and four years later the Rocket arrived. The Rocketlike all Oldsmobile small-block V-8s, featured a 3. The 's bore was 4. The to engines featured gold-painted engine blocks.

The to s blocks were painted metallic blue. The "Rocket" name was prominently emblazoned on the air cleaner until The featured harmonic balancers and cast-iron crankshafts. Only the Cadillac Seville came equipped with a fuel-injected Horsepower ranged from a modest to an impressive Named the to denote a four-barrel carburetor, four-speed floor shifter and dual exhaust, Olds offered its "W" options, including the W that equipped the with Ram Air induction engines for greater power.

oldsmobile 350 rocket casting numbers

InOlds offered the W option on the Cutlass and F models with the Rocket equipped with a special carburetor, camshaft and valves. The generated horsepower and foot-pounds of torque. The stood well against the horsepower V-8 that came with the W option. However, the became something different for the model year when Olds produced a new version called the Rallye in the W option package. Oldsmobile adhered to the prevailing industry philosophy that horsepower sold cars, but torque won races. The Rallye saw a reduction in horsepower tobut its torque rating skyrocketed to foot-pounds.

The W option package with the Rocket disappeared inand Olds downgraded the from its own model to a Cutlass option in The muscle car era had ended with tighter emission controls, climbing insurance premiums and the federal government hammering away at Detroit automakers for manufacturing powerful cars with substandard safety features.

oldsmobile 350 rocket casting numbers

Automakers also abandoned "gross" horsepower ratings for "net" horsepower. As a result, the Rocket became a shell. Forthe came in two horsepower ratings: and The torque rating for both engines was foot-pounds. The horsepower version remained for the rest of the s. This article was written by the It Still Works team, copy edited and fact checked through a multi-point auditing system, in efforts to ensure our readers only receive the best information.

To submit your questions or ideas, or to simply learn more about It Still Works, contact us. New Era The W option package with the Rocket disappeared inand Olds downgraded the from its own model to a Cutlass option in About the Author This article was written by the It Still Works team, copy edited and fact checked through a multi-point auditing system, in efforts to ensure our readers only receive the best information.The Jalopy Journal.

Terms of Service. Privacy Policy. Log in or Sign up. Atomic Industries www. Register now to get rid of these ads! The H. I have looking on the internet for like 2 hours for some dang early oldsmobile casting numbers of the block.

I cant seem to find any of the early castings of the olds rockets for the engines. There are quite a few knowledgable people on here, post the casting 's in question.

Classic Car Buyer's Guide: 1968-1972 Olds Cutlass & 442

Turbo engines have a "T" prefix. BTW the above s were not for engine ID as there were more model specific numbers that were in and in and on the front of the left cylinder head. In they went to semi-standardized VIN codes. These engines were produced between to in,CID. On engines, the has gold valve covers, and the has green valve covers. TurboMay 31, Keep this post alive please!

You must log in or sign up to reply here. Show Ignored Content. Share This Page Tweet. Your name or email address: Do you already have an account? No, create an account now. Yes, my password is: Forgot your password? Atomic Industry www.Many people have been wondering how they can tell if they have an Olds small or big block engine. My friend brought the car over my house to let me see it later and he told me the guy he bought the car from stated the car had a Olds engine in it.

Looking at this engine, I immediatly noticed the engine looked too wide and tall to be a Then i noticed the engine had a casting letter next to the 1 spark plug on the cylinder head, instead of a number, as found on small block Olds heads. This information let me know that the engine in this car was actually big block Olds motor.

I then checked the casting letter on the block found next to the oil fill tube, which wasand this let me know the engine was a There is also a 4 or 6 digit casting number found on all Olds heads. This 4 or 6 digit casting number is found around the center exhaust side rocker arm cover bolt or among the rockers on really early heads [pre]. This number is also found on each side of the lower middle valve cover bolt, split into 3-n-3 on each side of that bolt.

Shallow spring seats. No hard exhaust seats. There is a single machined flat surface for each pair of stud holes. There are no rockers or pivots. Correct foretc. RH head will have the engine ID code stamped into the front.

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Some heads might have a B following the casting number, eg B. B 80cc 2. Toronado and heads had the larger 2. RH head will have the engine ID stamped into the front. Some early ones used the 3 piece rocker arm pivots with studs.The Oldsmobile V8also referred to as the Rocketis series of engines that was produced by Oldsmobile beginning in Like all other GM divisions, Olds continued building its own V8 engine family for decades, adopting the corporate Chevrolet small-block and Cadillac Northstar engine only in the s.

All Oldsmobile V8s were manufactured at plants in Lansing, Michigan.

Oldsmobile Cutlass 350 Rocket - Full Engine Rebuild

The Rocket V8 was the subject of many first and lasts in the automotive industry. It was the first mass-produced OHV V8, in As is the case with all pre American passenger car engines, published horsepower and torque figures for those years were SAE "Gross," as opposed to and later SAE Net ratings which are indicative of what actual production engines produce in their "as installed" state - with all engine accessories, full air cleaner assembly, and complete production exhaust system in place.

The first generation of Oldsmobile V8s ranged from Each engine in this generation is quite similar with the same size block and heads. The cubic-inch 5.

The was produced from Bore was 3. Cadillac used a distantly related engine which appeared in three different sizes through to the model year; though the Oldsmobile and Cadillac motors were not physically related, many lessons learned by one division were incorporated into the others design, and the result were two engines known for their excellent power-to-weight ratio, fuel economy, and smooth, strong, reliable running.

The original Oldsmobile V8 was to have been marketed as "Kettering Power" after chief engineer Charles Ketteringbut company policy prohibited the use of his name.

Instead, the legendary Rocket was born, available in Oldsmobile's 88, Super 88, and 98 models. The engine proved so popular, the division's 88 models were popularly called Rocket 88s. The was available from through Bore was increased to 3. Two-barrel carburetion was standard; all high performance s came with four-barrel carburetors. The was shared with GMC trucks. The 88 and Super 88 V8s used an 8.Oldsmobile knew the time was right to field a high performance intermediate after the runaway success of Pontiac's Tempest option called GTO.

By adding a parts bin special cobbled from the Police Apprehender's package, the Lansing boys made their F85 and Cutlass a performance car. Over the years, the package grew more powerful with tricarbs, trunk mounted battery, ram induction systems and bigger engines. Bythe Cutlass gained more respect from buyers.

oldsmobile 350 rocket casting numbers

Bythe cubic displacement rule was shattered as the V8 became the standard engine. Today they're among the most desirable and popular Cutlasses made.

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We'll guide you on how to buy a good Rocket instead of a dud Scud. Solid, handsome and fast, the Cutlass and have been favorites for decades.

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Year by Year Identification Guide: Due to the popularity of the option and the wide variety of Cutlass models, this guide focuses primarily on the Supreme and models.

The Cutlass range included hardtop, convertible, two and four door sedans and even station wagons. Of interest to some buyers is the Vista Cruiser wagon option which supplied a glass rear roof section for viewing. These are collectible now. The Cutlass has a central grille and four headlights divided by parking lamps in between.

The grille is a blacked out egg crate with the emblem in the center. A convertible is a rare sight and has blacked out grille with badge and die cast vents on hood. All Cutlasses used single, rectangular flat tail lamp. The Cutlass grille has vertical fins, a center metal divider and four headlamp arrangement in pairs with the parking lamps moved to the front bumper.

The Cutlass has vertical grille columns while the has die cast numbers in center of hood. The model grilles are blacked out with egg crate grilles and the hood divider has die cast numbers instead of the Rocket emblem. All Cutlasses used a single, square tail lamp.

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The History of the Oldsmobile 350 Rocket V-8

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oldsmobile 350 rocket casting numbers

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