How Do I Know What Engine My Oldsmobile Is?

by | Last updated on January 24, 2024

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A 2-letter code on the oil filler tube

identified the . 1968-72 V8 models have the last six digits of the VLN number, the year of the block, and the assembly plant stamped on the driver's side of the block below the cylinder head. A 2-letter code on the oil filler tube identified the engine.

What is a 350 rocket motor?

350. Produced from 1968–1980, the Rocket 350 was entirely different from the other GM divisions' 350s. It used a very oversquare 4.057 in (103.0 mm) bore and Oldsmobile small-block standard 3.385 in (86.0 mm) stroke for 350 cu in (5.7 L). Output ranged from 160-325 hp (119-242 kW).

How can you tell a 350 rocket engine?

350. Produced from 1968–1980, the Rocket 350 was entirely different from the other GM divisions' 350s. It used a very oversquare 4.057 in (103.0 mm) bore and Oldsmobile small-block standard 3.385 in (86.0 mm) stroke for 350 cu in (5.7 L). Output ranged from 160-325 hp (119-242 kW).

How do I identify my Oldsmobile engine block?

Facing the front of the engine, at the top surface of the timing chain area, to the left of the oil fill tube, there is a code

about 1.5′′ high followed by the casting number

. A letter indicates a big block, a number indicates a small block.

How do I identify a 455 rocket?

The numbers cast on the lower left corner of the engine block — or on the cylinder head — indicate the year the engine was manufactured. The casting numbers for a 455 include

395021F, 396021Fa and 231788L

.

What does 442 mean?

The “4-4-2” name (pronounced “

Four-four-two

“) derives from the original car's four-barrel carburetor, four-speed manual transmission, and dual exhausts (Some maintain that the ‘2' indicated a limited-slip differential).

Is there such thing as a 350 big block?

The 350 (5.7) was born in 1967, when Chevy lengthened the 327's stroke. … In 1976, Chevrolet introduced a new emissions-friendly 305-cubic-inch small-block V8. Big blocks and the small-block 400 were dropped from the car line, and the 350 took over as the largest engine offering for most of GM's passenger

cars

.

How do I identify Oldsmobile heads?

The Oldsmobile factory-production small-block cylinder heads are identified by

a number cast into the front lower portion of the head next to the number-1 and number-8 cylinders

. The oldest castings have a lower number and the latest production castings have a higher number.

What color are Oldsmobile engines?

CID Year Color 350 1968 – 1972 Gold 350 1973 – 1977

Metallic Blue
400 1965 – 1969 Bronze 403 1977 – 1979 Metallic Blue

How do I identify a 403 Oldsmobile engine?

The 403 V8 is easily identified by

the oil fill spout growing out of the front of the engine

. Easy way to ID a 403: The Block casting number is found behind the timing cover between the oil fill tube and the oil sending unit. All 403's have 1/2′′ Head bolt holes.

What Oldsmobile had the 455?

Its 455-cu.in. engine, which was introduced in 1968 and featured in the Hurst Olds,

Toronado and full-size models

, became the standard 4-4-2 powerplant, rated at 365 hp.

What does 444 stand for?

444 Is A

Sign Someone Is Trying To Communicate With You

[*] 444 is a number of protection and encouragement. It is a sign that you are currently following the right path. [*] If you see the number 444 repeatedly, it is often your angel giving you a sign that they are with you.

What size engine does a 442 have?

When the Oldsmobile 442 was introduced in 1964, it stood for a four-barrel carburetor, four-speed manual transmission, and dual exhaust. Surprisingly, it only had a

330 cubic-inch engine

.

How can I tell if my 442 is real?

From 1968 to 1971 the VIN will identify if the car is a factory 442. You're looking for a

344 in the start of the VIN on dash or door decal

. This signifies an Olds 442 model. The next two numbers afterwards should decode to either a hardtop, pillar coupe or convertible.

What year Chevy 350 is the best?

  • LT-1 – 1970. When the LT-1 hit the scene in 1970, it took the world by storm. …
  • L98 – 1992. Another fan favorite is the 1992 L98 350 engine. …
  • L31 – 2002. Last but not least, the 2002 L31 350 Chevy engine deserves recognition.
David Evans
Author
David Evans
David is a seasoned automotive enthusiast. He is a graduate of Mechanical Engineering and has a passion for all things related to cars and vehicles. With his extensive knowledge of cars and other vehicles, David is an authority in the industry.