Thread: Speed limiter?

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  1. #1 Speed limiter? 
    SE Level Member Randy_W's Avatar
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    Were all GT's limited to 108 or whatever it is or was there a tire package that got a higher limiter?
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  2. #2 Re: Speed limiter? 
    I live here. SyntheticShield's Avatar
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    The limiting is done in the PCM, but I believe you are correct that it was based on tire rating and yes I believe all are like that from the factory.
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  3. #3 Re: Speed limiter? 
    GXP Level Member Zef_66's Avatar
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    Even GTPs were limited to 108 I believe.

    But very easy to change with a tuner or new PCM.
    2001 GSE
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  4. #4 Re: Speed limiter? 
    SE Level Member Randy_W's Avatar
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    Yea, I'm familiar with pcm tuning, I have a '67 Impala SS with a '96 Vette LT1 drivetrain. My wife's Z28 convertible had the 108 limit as well until I got a Fuel Injection Specialties tune for it. I was just wondering if any came with higher rated tires.
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  5. #5 Re: Speed limiter? 
    Bastard Reptile's Avatar
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    GTP's were limited at 126mph. But now mine is at 255.
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  6. #6 Re: Speed limiter? 
    GXP Level Member Zef_66's Avatar
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    Quote Originally Posted by Reptile View Post
    GTP's were limited at 126mph. But now mine is at 255.

    Yeah, probably. I never cared what it was limited to since the first thing I did was changed it to 255.
    2001 GSE
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  7. #7 Re: Speed limiter? 
    Bastard Reptile's Avatar
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    Exactly
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  8. #8 Re: Speed limiter? 
    SE Level Member Randy_W's Avatar
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    Quote Originally Posted by Reptile View Post
    GTP's were limited at 126mph. But now mine is at 255.
    What tires came on the GTP?
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  9. #9 Re: Speed limiter? 
    Bastard Reptile's Avatar
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    225/60HR16....Most of them were the Goodyear Eagle RS-A
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  10. #10 Re: Speed limiter? 
    SE Level Member Randy_W's Avatar
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    Quote Originally Posted by Reptile View Post
    ....Most of them were the Goodyear Eagle RS-A
    That's what I was looking for, thanks.
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