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67 Firebird Verificaton

This is a discussion on 67 Firebird Verificaton within the Firebird / WS6 forums, part of the Vehicle Specific category; I have a seller who wants to sell me a 67 Firebird. He has very little firebird knowledge and I ...

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    67 Firebird Verificaton

    I have a seller who wants to sell me a 67 Firebird. He has very little firebird knowledge and I don't know the best way to look up what engine it had. I want to know if it had the 400 or the 327. Whats the best way to figure this out? Is there a number on the door plate or easily viewable with the hood up that will verify if this is a 400 or 327? I didnt think the vin numbers specified until the 70s.

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    ʢ ൧ ൨ ൩ ൪ ൫ ൬ ൭ ൮Ր Ց Ւ Փ Smittro's Avatar
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    Pontiac had the 326 along with the 400.

    327 was/is a Chevrolet.

    Back then everyone had thier own engines.

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    ʢ ൧ ൨ ൩ ൪ ൫ ൬ ൭ ൮Ր Ց Ւ Փ Smittro's Avatar
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    The 67' Firebird only came with 3 different engines.

    A single over head cam inline 3.8L 6 cylinder 1-barrel carb.

    A single over head cam inline 3.8L 6 cylinder 4-barrel carb.

    326 2-barrel carb. v8.

    326 H.0. rochester 4-barrel carb. v8.

    400 rochester 4-barrel carb. v8.

    400 h.o. 4-barrel carb. v8.
    Last edited by Smittro; 01-09-2012 at 05:10 AM.

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    Senior Member Too Fast's Avatar
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    Also, the other way to check the engine size on some Pontiac engines is to look for the cast in the block, near the motor mount. For a 400, it will have ''400'' cast into the engine block. For a 428, this applies as well. A 455 may say this, as well as the 326. Visually all Pontiac engines are mostly interchangable.

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    Member sjgreen6's Avatar
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    Pontiac guys are lucky. Look up Pontiac Historic Services and for a fee you can get a copy of the original build info on any old Pontiac from the mid 60s and up. As to identifying the engine that is in the car now you need to know both the year and the engine code. All Pontiac V8s are the same external size. There are some clues on some engines that will tell you what it is but these are not always easy to spot. Go to the Year One web site and look up the Firebirds or GTOs, select view catalog on line. Several pages into each Pontiac catalog there is a great section that shows how to identify Pontiac V8 engines.


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