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Eldon, Missouri 65026

 

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GM   FACTORY   TRIPOWER   AIR   CLEANERS

This page is here to help muscle car enthusiasts to identify the original air cleaner used with their original GM tripower. OK, for all you non-Pontiac people, these are technically three two-barrel setups. I believe Pontiac was the only company to identify them as tripower. And while we might have some of these for sale, this page should be regarded as an information only page. I will list what I currently believe to be true. I WELCOME any DOCUMENTED corrections or additions.

At one time or another, in alphabetical order, Cadillac, Chevrolet, Oldsmobile, and Pontiac all used the three two-barrel setups as factory equipment. To my knowledge, Buick never had a three two-barrel factory setup (although they did have a two two-barrel setup called compound carburetion in the early 1940’s). The first GM division to my knowledge to offer a multiple carb setup would be Cadillac, which offered a two one-barrel setup on both the V-12 and V-16, and a two two-barrel setup on the later V-16’s. But I have digressed. Back to the factory three two-barrel setups.

DIVISION  INDEX  SECTION

CADILLAC

1958 – Cadillac part number 1553946

1959 – Cadillac part number 1554277

1960 – Cadillac part number 1554277

 

CHEVROLET

1958 – Early Chevrolet part number 1553222

1958 – Late Chevrolet part number 1553863

1959 – Chevrolet part number 1553998

1960 – Chevrolet part number 1553998

1961 – Chevrolet part number 1553998

 

OLDSMOBILE

1957 – Early (oil bath) Oldsmobile part number 1553091

1957 – Late (paper element) Oldsmobile part number 1553292

1958 – Oldsmobile part number 1553399

1966

1966 W-30

 

PONTIAC

1957 – Pontiac part number 1553222

1958 – Standard Pontiac part number 1553402

1958 – W/Air suspension Pontiac part number 1553854

1959 – Pontiac part number 1554060

1960 – Pontiac part number 1554060

1961 – Standard Pontiac part number 5645517

1961 – W/AC Pontiac part number 5646090

1961 Super Duty

1962 - Standard Pontiac part number 5645517

1962 – W/AC Pontiac part number 5646090

1963 – Pontiac part number 5646090

1964 w/389 – Federal Pontiac part number 5646090

1964 w/389 – California Pontiac part number 6419728

1964 w/421 – Federal Pontiac part number 9776733

1964 w/421 – California Pontiac part number 9776734

1965 w/389 – Federal Pontiac part number 6421204

1965 w/389 – California Pontiac part number 6421205

1965 w/421 – Federal Pontiac part number 6421206

1965 w/421 – California Pontiac part number 6421207

1966

 ADDITIONAL  INFORMATION  SECTION

CADILLAC

1553946 was used on 1958 Cadillac. The lid was the “starburst” design. Snorkels clock at approximately 1 and 9. Both snorkels are the same length. All three carburetors are of the smaller size

 

Lid

Top

Bottom

 

CHEVROLET

1553998 was used on 1959 through 1961 Chevrolet. The lid is of the “smooth” design. Snorkels are clocked at approximately 1 and 9. Note that the 9 o’clock snorkel is approximately ˝ the length of the 1 o’clock snorkel. All three carburetors are of the smaller size.

 

Lid

Top

Botto,

 

 

OLDSMOBILE

1553091 was the first design aircleaner used on the 1957 J2, and was the only oil bath factory air cleaner used on the three two-barrel setups. This was a delta-wing design, differing from the batwing design used on several GM dual quads. All three carburetors are of the smaller size.

 

1553292 was the second design aircleaner used on the 1957 J2. This aircleaner, like all of the other GM three two-barrel setups except the first design Oldsmobile, used a round paper element. All three carburetors are of the smaller design.

 

Service data

 

1553399 was used on the 1958 J2. Snorkels clock at approximately 1:30, and 11:30. Note the 1:30 snorkel is much shorter than the 11:30 snorkel. All three carburetors are of the smaller size.

 

Top

Service data

 

PONTIAC

1553222 was used on the 1957 Pontiac. Lid is of the “starburst” design. Snorkels clock at approximately 10 and 12. Both snorkels are the same length. All three carburetors are of the smaller size.

Lid and service data

 

1554060 was used on 1959 and 1960 Pontiac. Lid is of the smooth design. Snorkels clock at approximately 11 and 1:30. Both snorkels are the same length. The center carburetor is of the smaller size, while the two end carburetors are of the larger size.

 

Lid

 

5645517 was used on 1961 and 1962 Pontiacs without air conditioning. The lid is of the smooth design. Snorkels clock at approximately 10:30 and 12:30. Both snorkels are of the same length. The center carburetor is of the smaller size, while both end carburetors are the larger size. Note the center line of the three carburetor “stacks” is offset from the center line of the air cleaner.

Lid

Top

Bottom

 

5646090 was used on 1961 and 1962 Pontiacs with air conditioning, all 1963 Pontiacs, and 1964 Federal Pontiacs with 389 engine. Lid is of the smooth design. Snorkels are clocked at approximate 12:30 and 2:30. Both snorkels are of the same length. The center carburetor is of the smaller size, while the two end carburetors are of the larger size.

 

Lid and service data

Top

Bottom

 

1961 Super Duty. This air cleaner was used with the aluminum super duty manifold in 1961. The air cleaner has no snorkels. Instead there are seven oval slots the same size as the snorkel openings along the back side of the air cleaner. The lid is of the smooth design. The center carburetor was of the smaller size, while the two end carburetors are the larger size.