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Thread: Quick ? 98' 80E to 03' 80E ?'s

  1. #1
    Tuner in Training
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    Quick ? 98' 80E to 03' 80E ?'s

    Tried searching, no luck ----

    Customer has a 98' 2500 5.7 vortec with a burned up 80E - has a 03' 80E ready to go - will I have to do a segment swap or will it work as is? thanks

  2. #2
    Tuner in Training
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    I don't see why it wouldn't work. Its my understanding that a segment swap is necessary if going from say a 4L60e to a 4L80e. The 98 computer should be able to control a later model trans if they are both the same trans type. I know with the 4L60e there were differences between an LT and an LS (bellhousing, input shaft).

    Will the 03 bolt up to the 98?

  3. #3
    Tuner in Training
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    Quote Originally Posted by almarconi View Post
    I don't see why it wouldn't work. Its my understanding that a segment swap is necessary if going from say a 4L60e to a 4L80e. The 98 computer should be able to control a later model trans if they are both the same trans type. I know with the 4L60e there were differences between an LT and an LS (bellhousing, input shaft).

    Will the 03 bolt up to the 98?
    Yes it bolts up.... I have a 02' 80E segment - I think I'll compare the two, that should give me what I need.

  4. #4
    Senior Tuner Russ K's Avatar
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    Only 1997-2000 5.7 Vortec 4L80E trans will work.

    Russ Kemp