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4l60e or 4l80e

This is a discussion on 4l60e or 4l80e within the Drivetrain forums, part of the LSx Technical Help Section category; which trans is better and why the 4l60e or the 4l80e. what holds up the best? what tranny would you ...

  1. #1
    Member twoolley08's Avatar
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    4l60e or 4l80e

    which trans is better and why the 4l60e or the 4l80e. what holds up the best? what tranny would you guys go with?

  2. #2
    Rice Killa JwMonE99's Avatar
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    4l80e

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    Powerstrokin LT1 > LS1's Avatar
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    I'd do a buitl 4l60E

    I think you need a new crossmember for the 80.....plus its heavier....


    yes its stronger, but in my opnion, not worth it

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    Senior Member INMY01TA's Avatar
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    Depends if it's a 9-10 second track car or an 11-12 second daily driver/weekend street car.
    Last edited by INMY01TA; 09-22-2008 at 05:51 PM.

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    Senior Member Zboner's Avatar
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    U can make a 4L60 just as strong

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    Senior Member INMY01TA's Avatar
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    Quote Originally Posted by Zboner View Post
    U can make a 4L60 just as strong
    Not in a 9 second car. I know quiete a few guys that'll kill any 4L60 inside of one season.

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    Senior Member Zboner's Avatar
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    Quote Originally Posted by INMY01TA View Post
    Not in a 9 second car. I know quiete a few guys that'll kill any 4L60 inside of one season.

    thats a whole diff ball game though, hell powerglide, or TH400

  8. #8
    Junior Member Paul Huryk's Avatar
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    The TH700R4/4L60E is good up to about 700hp, even behind a big block or supercharger.

    The 4l80E is a TH400 plus an overdrive gear and is just as strong as a 400... These were found on some trucks and never came stock in any f body or Corvette. You can swap one in, but it needs a new crossmember and driveshaft.

  9. #9
    Member twoolley08's Avatar
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    ive killed way to many 700r4's with my old 1990 chevy truck with a 350 with bolt on upgrades. id never want another 700r4

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    Doesn't the 4L80E require all new electronics

  11. #11
    Senior Member INMY01TA's Avatar
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    Quote Originally Posted by Paul Huryk View Post
    You can swap one in, but it needs a new crossmember and driveshaft.
    Body mounted torque arm as well.

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