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identify 1972 Oldsmobile engine?

How to do it? Is it a 403 or a 350 Rocket engine? Also, where is cylinder # 1? Thanks.

2 Answers

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  • 1 decade ago
    Favorite Answer

    look for the id# on the intake.then look in the repair manual. no.# 1 is furthest from the transmission

  • 1 decade ago

    Won't be a 403, that engine was not made until approx 1979.

    The number one cyl is on the farthest foward cylinder head on the engine... I believe that is the first cyl on the left(driver's)side of the engine.

    Could actually be a 455 if it came out of a full size like a olds 98 or station wagon.

    Source(s): 25 yr ASE certified automotive technician
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