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Ask Mike S. Your Own Question
Mike S.
Mike S., ASE Certified Technician
Category: Oldsmobile
Satisfied Customers: 6777
Experience:  25+ years experience and ASE Certified.
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I would like to know weather I have a 455 super chief or a

Customer Question

I would like to know weather I have a 455 super chief or a 455. the air cleaner says super chief, but that really does tell the truth. A 1971 Olds 98 LS
JA: How long has this been an issue? How many miles are on the car?
Customer: 36000
JA: Are you fixing your 98 yourself? What have you tried so far?
Customer: No I just got it delivered Last week from MJC classic cars in Fl
JA: Anything else you want the mechanic to know before I connect you?
Customer: no
Submitted: 1 month ago.
Category: Oldsmobile
Expert:  Mike S. replied 1 month ago.

Hi, I am Mike, welcome. I'm reviewing your question.

Expert:  Mike S. replied 1 month ago.

You will need the engine serial numbers off the metal pad at the front right or left hand side of the cylinder block, just below the cylinder head.

Expert:  Mike S. replied 1 month ago.

I am reading the 455 super chief is a Pontiac engine, is this true?

Customer: replied 1 month ago.
Engine # is 396021F
Customer: replied 1 month ago.
Nothing more
Customer: replied 1 month ago.
This # was in the front of the motor
Expert:  Mike S. replied 1 month ago.

That is the casting number of the block, not the engine serial number. Anyhow, it is a 68-72 455, http://www.442.com/oldsfaq/ofblk.htm#Big Block Blocks 1965 - 1976

Expert:  Mike S. replied 1 month ago.

is the 455 super chief is a Pontiac engine or is it supposed to be a olds engine?

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