Mods for transmission during HG job?
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Northstar Engines and System Technical Discussion Discussion, Mods for transmission during HG job? in Cadillac Engine Technical Discussion; I will be doing the wonderful N* head gasket job on my 98 SLS probably this summer, and was wondering ...
  1. #1
    68Futura is offline Cadillac Owners Member
    Automobile(s): 1998 Seville SLS
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    Mods for transmission during HG job?

    I will be doing the wonderful N* head gasket job on my 98 SLS probably this summer, and was wondering what opinions people had about getting a little more power out of the transmission.

    People have talked about putting the STS's 3.71(i think) gears together with the SLS's 300 Ft.Lbs. of torque.
    Also upgrading to a performance torque converter.

    Is any of this worth it? of just a wast of time and money? If its worth it this will be the time to do it, with the engine and trans out of the car.

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  3. #2
    Krashed989's Avatar
    Krashed989 is offline Cadillac Owners Connoisseur
    Automobile(s): 94 Eldorado, and a 99 ETC
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    Re: Mods for transmission during HG job?

    If you do that you will be pretty quick off the line, but you will loose way too much top-end.... not to mention you would have to reprogram the PCM (shift times)... It's not worth it

    A lot of 21 year olds seem to be tackling this hg job on the northstar... It's not easy, I can vouch for that. Right now my hands are really busted up from it and my entire body is sore. It's like the huge staircase that rocky trained on; each step is simple and easy, but there's just so many of them that it becomes very tiresome and hard.

  4. #3
    [NortHStaR]'s Avatar
    [NortHStaR] is offline Cadillac Owners Fanatic
    Automobile(s): 1999 Cadillac DeVille
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    Re: Mods for transmission during HG job?

    Amen!!! ^^^^

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