6 Comments on “Buick 231(?) V6 Portland, OR $250

  1. David Eilers Post author

    I am confused, too. I hurriedly posted this last night, so didn’t take a good look at it.
    That doesn’t look like a 231 to me either. I’ll update the post.

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  2. rdjeep

    It is not a 90 degree design as mbullism said. There is no oil filter pad and pump body on the lower left. The front bolt pattern on the head is too close together. Could a front wheel drive engine, maybe a 231/3.8l in that config, maybe a 3.0l size.

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  3. Blaine

    I’m leaning towards the 2.8/173 also. Early 80’s Camaros and S-10s had these. The mechanical fan mounting to the pulley says rear wheel drive application. The pulley is too bulky for Chevrolet Citations etc.

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