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Thread: Any tips for tuning a 98 turbo?

  1. #1
    Senior Member
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    Apr 2007
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    Default Any tips for tuning a 98 turbo?

    Please don't say upgrade to 99+...LOL
    I just got a 98 camaro SS convertable, I have my old STS system sitting in a box in the corner, It is calling me....LOL. I swapped my 98 WS6 to a 99+ so I could do it, but do I have any options with the 98 PCM if I don't get too crazy with the boost?
    Thanks
    98 WS6, M6, 02 PCM, CO3, SD 2 Bar tune, 416 D1SC Procharger, 73# Injectors, Patriot Lq9 heads, 232 int 240 exh. Lift .595 int .608 exh 115.. header, Intake, AEM WB.

  2. #2
    Lifetime Member
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    Default

    what boost r looking for?

    U can't download an OS on 98, so u might stick to 1 bar max. As usual, every 7 psi require (-)2 deg. Pull 4 deg at where the turbo start charging. After that make your AFR 11.5 ~ 11.7. and then start adding degs wherever needed.

    I prefer tuning it on dyno, always, at the begining make it as rich as possible .
    Regards,

    Odd Boy

  3. #3
    Senior Member
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    Default

    Quote Originally Posted by odd boy View Post
    what boost r looking for?

    U can't download an OS on 98, so u might stick to 1 bar max. As usual, every 7 psi require (-)2 deg. Pull 4 deg at where the turbo start charging. After that make your AFR 11.5 ~ 11.7. and then start adding degs wherever needed.

    I prefer tuning it on dyno, always, at the begining make it as rich as possible .
    Ya I tried that tune on my other car, it was so horrible with any boost level I swapped it to an 02 PCM(and then a 416 SC). The car would start to spool and drop into a "hole" of fuel (I started with a professional dyno tune, then I tweeked it, better but it still was never good). I was going to try and re-scale the MAP and run 2-bar cutting the resolution in half and see what happens. I am going to add a rising rate regulator to try and help the issue, but I am strongly considering a tune by HPtuner as it has a 98 2 bar setup. I am only looking for 10 PSI MAX.
    98 WS6, M6, 02 PCM, CO3, SD 2 Bar tune, 416 D1SC Procharger, 73# Injectors, Patriot Lq9 heads, 232 int 240 exh. Lift .595 int .608 exh 115.. header, Intake, AEM WB.

  4. #4
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    Default

    post your tune, pls
    Regards,

    Odd Boy

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