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LT1 to LS1 swap and transmission question

This is a discussion on LT1 to LS1 swap and transmission question within the External Engine forums, part of the LSx Technical Help Section category; hi my name is joe and im new to the site. i dont have an ls1 in my car YET ...

  1. #1
    Junior Member
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    1994 trans am

    LT1 to LS1 swap and transmission question

    hi my name is joe and im new to the site. i dont have an ls1 in my car YET but hopefully whit the help of u guys i will shortly. i currently have an LT1 in my trans am and its seen better days. i want to put an LS1 with a th350 transmission. i already have the motor and transmission, th350 cross member, and the stand alone harness. many people have told me that the ls1 and the lt1 just pull and swap and others have told me that i have to change the k-member. i want to know exactly what i need before i start tearing it apart and cant drive it. i dont want it sitting in my garage for 3 months. Thanks
    Last edited by 94transamguy; 05-06-2009 at 02:58 PM.

  2. #2
    Senior Member bigrondownhiller's Avatar
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    1996 Camaro Z28 vert

    Yes you do need a ls1 crossmember. Did you get the computer and harness for the ls1?

  3. #3
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    1994 trans am

    i do have the stock computer, is there a better aftermarket one

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