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Verify real LS1?

This is a discussion on Verify real LS1? within the External Engine forums, part of the LSx Technical Help Section category; I'm taking my buddy tommorrow to look at an LS1 motor for his '01 Trans Am. The original motor threw ...

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    Kenne-Bell Killer Cayenne97's Avatar
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    Verify real LS1?

    I'm taking my buddy tommorrow to look at an LS1 motor for his '01 Trans Am. The original motor threw a rod. The motor he is looking at is said to be complete with the exception of no intake manifold or oil pan. What should I look for to verify that this is actually an LS1?

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    It's stock, i swear! THEBRAD's Avatar
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    the fact that look completely different than any other GM motor ever made. i dont think i understand the question, u cant tell if its ls1, ls2, ls6?

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    old timer blue02Z's Avatar
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    its an engine, not a motor...

    they are all aluminum and have exhaust ports similar to old school big blocks, where the center ports are not close together but all evenly spaced. see if you can get some casting numbers and run em

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    Kenne-Bell Killer Cayenne97's Avatar
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    Quote Originally Posted by blue02Z View Post
    its an engine, not a motor...
    ...Makes me sorry I even asked. I was trying to make sure I didn't mistake it for a 5.3-liter or something like that, or some other member of the LSX family that's a non-f-body/Corvette spec engine. Remember I said it has no intake.
    Last edited by Cayenne97; 03-02-2008 at 04:30 PM.

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    Senior Member
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    yeah dont mind them.....take some pics of it and bring them to us

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    Member Speed Psychosis's Avatar
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    http://www.ls1howto.com/index.php?article=5

    Alright i did a quick search to help. You could search that site in other how to's to find more pics.

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    Kenne-Bell Killer Cayenne97's Avatar
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    Quote Originally Posted by tonyjnjz View Post
    yeah dont mind them.....take some pics of it and bring them to us
    Will do. That way he'll know if it's all legit before he buy's.

    Quote Originally Posted by Speed Psychosis View Post
    http://www.ls1howto.com/index.php?article=5

    Alright i did a quick search to help. You could search that site in other how to's to find more pics.
    Very helpful. Thanks a lot guys!

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    It's stock, i swear! THEBRAD's Avatar
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    haha yeah there r some jerks out there. and i got the infraction! lol and they deleted my post

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    old timer blue02Z's Avatar
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    Quote Originally Posted by Cayenne97 View Post
    ...Makes me sorry I even asked. I was trying to make sure I didn't mistake it for a 5.3-liter or something like that, or some other member of the LSX family that's a non-f-body/Corvette spec engine. Remember I said it has no intake.
    dont be sorry. i just give some peeps hell cause soo many people say "motor" when its an engine. no biggy


    the 5.3 will look similar maybe but it has an iron block with aluminum heads whereas the ls1 is all aluminum

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    Member red99ws6's Avatar
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    i thought the 5.3 was aluminum and the 6.0 was iron. learn something everyday

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    The Bandit Wesman's Avatar
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    Quote Originally Posted by blue02Z View Post
    its an engine, not a motor...
    Most people use engine and motor intechangeably.

    Heres the definiton from websters:

    "any of various power units that develop energy or impart motion: as a: a small compact engine b: internal combustion engine; especially : a gasoline engine"

    As for verifying the engine, best bet is the casting numbers.

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    Member TACE02's Avatar
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    Quote Originally Posted by blue02Z View Post
    dont be sorry. i just give some peeps hell cause soo many people say "motor" when its an engine. no biggy
    Well if you want to be politically correct, it is either...not that it really matters, just thought I would point it out to you. But like coke, pop, soda, or whatever one drinks, who cares!!!


    motor - 1. a comparatively small and powerful engine, esp. an internal-combustion engine in an automobile, motorboat, or the like.
    2. any self-powered vehicle.
    3. a person or thing that imparts motion, esp. a contrivance, as a steam engine, that receives and modifies energy from some natural source in order to utilize it in driving machinery.

    engine - 1. a machine for converting thermal energy into mechanical energy or power to produce force and motion.
    2. a railroad locomotive.
    3. a fire engine.



  13. #13
    It's stock, i swear! THEBRAD's Avatar
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    actaully the lm4 5.3L out of the SSR is aluminum

  14. #14
    old timer blue02Z's Avatar
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    i think some of the new 2007+ 5.3 is aluminum too. along with the ls4 in the monte carlo and impala ss's


    but for the most part their iron

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