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2005 ls1 in a 98 T/A

This is a discussion on 2005 ls1 in a 98 T/A within the Internal Engine forums, part of the LSx Technical Help Section category; Im lookin at gettin a complete GM Performance Parts ls1 replacement motor for my 1998 T/A. Its moderately priced and ...

  1. #1
    boycott wal-mart
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    silver
    98 T/A WS6

    2005 ls1 in a 98 T/A

    Im lookin at gettin a complete GM Performance Parts ls1 replacement motor for my 1998 T/A. Its moderately priced and comes with a warranty. my question is this - it says the motor is a 2005 (being sold without ECM and wire harness), will I need to do any modifications for it to fit my vehicle?
    Thanks.

  2. #2
    Slow'er'Ass Mr. Luos's Avatar
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    No.

    Use your sensors and computer.

  3. #3
    boycott wal-mart
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    silver
    98 T/A WS6

    how come on their website, they have ls1's for 99'-2000 and 2001-2002? why not just sell one ls1 if they are universal?

  4. #4
    Slow'er'Ass Mr. Luos's Avatar
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    Difference in cam size.
    I would think any they sell are the same now.

  5. #5
    boycott wal-mart
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    98 T/A WS6

    Quote Originally Posted by Mr. Luos View Post
    Difference in cam size.
    I would think any they sell are the same now.
    so basically any year ls1 from any vehicle would be a direct replacement for mine?

  6. #6
    Member cdz28's Avatar
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    Quote Originally Posted by Semperfiws6 View Post
    so basically any year ls1 from any vehicle would be a direct replacement for mine?
    yep

  7. #7
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    1998Z28

    You would reuse your TB and your sensers. And you'll want to reuse your injectors also because you should have 28.5# instead of the 26# in later years.

  8. #8
    O U 8 1 2 Spaz's Avatar
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    i wouldn't put a LS1 back in my car again... it was much cheaper to put a LS6 in it instead...

  9. #9
    402 Guru 402 Guru's Avatar
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    Quote Originally Posted by Spaz View Post
    i wouldn't put a LS1 back in my car again... it was much cheaper to put a LS6 in it instead...
    yeah ebay has them all day

  10. #10
    The Demon Demon_Z28's Avatar
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    Bright Rally Red
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    yea if my motor ever goes and I dont want a rebuild, LS6 is going to be my Fall Back plan, plus LS6's are already beasty motors w/ 400 crank hp

  11. #11
    boycott wal-mart
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    98 T/A WS6

    Quote Originally Posted by PFM View Post
    You would reuse your TB and your sensers. And you'll want to reuse your injectors also because you should have 28.5# instead of the 26# in later years.
    what would I need to change to put in a ls6 instead?

  12. #12
    402 Guru 402 Guru's Avatar
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    Quote Originally Posted by Semperfiws6 View Post
    what would I need to change to put in a ls6 instead?
    for starters a new motor mount that is sold on ebay that sets the mount too the engine inches back so the ls6 is a direct drop in from there

  13. #13
    TunedbyFrost.com Tuner Frost's Avatar
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    Quote Originally Posted by un17real View Post
    for starters a new motor mount that is sold on ebay that sets the mount too the engine inches back so the ls6 is a direct drop in from there
    ??

    it's a direct drop in WITHOUT changing anything having to do with mounts...

    Have you looked under your hood? Try to imagine your engine moving back...

  14. #14
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    Quote Originally Posted by Frost View Post

    Have you looked under your hood? Try to imagine your engine moving back...
    its already too far back. Anymore and it would be in your lap!

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