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6-speed conversion

This is a discussion on 6-speed conversion within the Drivetrain forums, part of the LSx Technical Help Section category; I have a 98 Ls1 automatic, and I was curious if anyone has converted and automatic to stick and how ...

  1. #1
    Member speedracer25f's Avatar
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    Midnight Blue
    1998 Trans Am

    6-speed conversion

    I have a 98 Ls1 automatic, and I was curious if anyone has converted and automatic to stick and how much trouble it was. I had an 89 6cyl auto, and dropped in a 350 with a 5 speed and it was easy, but didnt know if the newer style would pose more problems.

  2. #2
    What I do? SHines-IT's Avatar
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    You would need a new computer also, it's not worth it. Just sell it and buy an stick, lol.

  3. #3
    Slow'er'Ass Mr. Luos's Avatar
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    Mind me asking exactly why you want to swap in the 6 speed?


    It can be a pain in the ass. Personally...get a shift kit and stall on the auto and enjoy.

  4. #4
    Senior Member justinmc978's Avatar
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    Quote Originally Posted by Mr. Luos View Post
    Mind me asking exactly why you want to swap in the 6 speed?


    It can be a pain in the ass. Personally...get a shift kit and stall on the auto and enjoy.
    this x2

    sticks are overrated, dont let anyone tell you otherwise
    "If first, the race you do not win, jump back in, let's race again."

  5. #5
    Veteran Hi-Po's Avatar
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    Quote Originally Posted by SHines-IT View Post
    You would need a new computer also, it's not worth it. Just sell it and buy an stick, lol.
    What are you talking about? Bad information.

    You will not need a 'new' computer OP, Just a simple flash of a 6 speed car on your exisiting ECM. 5 minute deal.


    Keep the auto though. Get a tune, a gear, stall and I bet you will be happy with it.

  6. #6
    O U 8 1 2 Spaz's Avatar
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    you're going to spend probably 4-5k to have it done... i'd jsut buy another LS1 with a 6 speed or modify the one you have now... i higher stall, a shift kit, and 3.73 rear gears would start your car along the path to becoming a monster...

  7. #7
    Senior Member justinmc978's Avatar
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    Quote Originally Posted by Spaz View Post
    you're going to spend probably 4-5k to have it done... i'd jsut buy another LS1 with a 6 speed or modify the one you have now... i higher stall, a shift kit, and 3.73 rear gears would start your car along the path to becoming a monster...
    yeah also with an auto--->6 speed swap, you'd almost have to change the rear gears just to get an advantage out of the different trannys, unless you just like haveing a shifter to play with

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    Quote Originally Posted by justinmc978 View Post
    this x2

    sticks are overrated, dont let anyone tell you otherwise
    Lol, everyone has personal preferences. Not everyone wants a track monster. I had a stalled auto formula nad a m6 T/A, both were mid ot high 12 cars the stalled auto was .3 faster than the best time in my m6 but i would take the m6 in a heartbeat.

  9. #9
    Senior Member justinmc978's Avatar
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    Quote Originally Posted by Zinergy View Post
    Lol, everyone has personal preferences. Not everyone wants a track monster. I had a stalled auto formula nad a m6 T/A, both were mid ot high 12 cars the stalled auto was .3 faster than the best time in my m6 but i would take the m6 in a heartbeat.
    i know but people get unfairly ridiculed for opting for an automatic, it is absolutly all preference,

  10. #10
    COTM July '09
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    Did mine (and a few in the past) and have gone both ways; keep your head out of the gutter, I'm talking transmissions ... lol

    You don't need a PCM, you just need to have it reflashed with a M6 tune. There's a few wiring related things you need to take care of; to get reverse lights, clutch pedal safety switch/etc. installed and working, but it's easy and doable even at home. PM me if you really get to doing this and I can guide you through it if you need help.


    BTW, I prefer the manual but I'd drive an auto and have no issues with it. Drove my Camaro with the Auto for 6yrs before I swapped the LS1 and a Manual in it and frankly miss it sometimes when I have to deal with traffic

  11. #11
    Member speedracer25f's Avatar
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    Reason is my auto is giving me problems, doesnt shift at WOT, hits the rev limiter. Was weighing my options between fixing up the auto or going 6 speed. Already have the stick rear in it.

  12. #12
    Moderator Cutlass's Avatar
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    1999 Formula WS6 M6-sold
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    try this thread for more info
    a4 to m6

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