engine ID

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Northstar Engines and System Technical Discussion Discussion, engine ID in Cadillac Engine Technical Discussion; Where is the engine id code located on a northstar? Thank you, Julio...
  1. #1
    julio is offline Cadillac Owners Member
    Join Date
    Mar 2004

    engine ID

    Where is the engine id code located on a northstar?

    Thank you,

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  3. #2
    inmycadillac's Avatar
    inmycadillac is offline Cadillac Owners Enthusiast
    Automobile(s): 06 DTS Luxury II-?, 98 Eldorado-Crimson Pearl
    Join Date
    Jan 2004
    North Dakota

    Lightbulb Re: engine ID

    mods, doh!!!!

    I'm not sure but maybe someone in this forum would know.


  4. #3
    BeelzeBob's Avatar
    BeelzeBob is offline I'm a Cadillac Fanatic!
    Join Date
    Dec 2002
    Fort Lauderdale, Florida

    Re: engine ID

    Quote Originally Posted by julio
    Where is the engine id code located on a northstar?

    Thank you,
    Usually on the front and/or rear surface of the engine there is a small tag that will have three letters on it. One of the letters will be an M or a K. M's are the 275 HP LD8 engine and K's are the 300 HP L37 engine. If the tags are missing then get the VIN off the side of the block (at the lower right hand corner of the block there is a rectanglar part of the casting for the VIN stamp) and look for the Y (275 HP) or 9 (300 HP).

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