Thread: Top speed, governor

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  1. #1 Top speed, governor 
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    Last night I got my 2000 GTP up to 125 mph before it started cutting out. I had two other guys with me and a full tank of gas. do you think it could go faster with less weight? i know there is more there but the governor definitely cut it out. what are some of your top speeds?
     

  2. #2 Re: Top speed, governor 
    GTX Level Member nos4blood70's Avatar
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    More weight won't affect the top speed limiter. I've had my car up to just under 130. Like 128 or so. That was after the tune. Stock limiter was 108.
    -Carl
    "Penelope" - 145k Miles 2003 Bonneville SLE


     

  3. #3 Re: Top speed, governor 
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    so when you tuned your car you took off the governor.
     

  4. #4 Re: Top speed, governor 
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    best ive done is 108 and im stock all the way
    2004 GT2
    216,000 Miles Everything original except tires
     

  5. #5 Re: Top speed, governor 
    GTX Level Member nos4blood70's Avatar
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    Quote Originally Posted by Jordanfilbrun View Post
    so when you tuned your car you took off the governor.
    Yes sir.
    -Carl
    "Penelope" - 145k Miles 2003 Bonneville SLE


     

  6. #6 Re: Top speed, governor 
    Moderator dsmuts's Avatar
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    I hit 120 ONCE. I have no death wish so the most my car regularly see is maybe 80.
    98 GTP modded 1.9's, sd headers, 3.4", zzp 1.0 230K miles scrapped.
    04 Comp G zzp stb's, UMI ta's, Speedbuilt sways, bully flo heads, XP, zzp headers, fsic, thrasher shift kit, 60#, 2.6" corsa 2.5", Inferno hood
    01 gt z7 turbo tep trans zzp motor
    08 g8 gt cam exhaust 11.87@118
     

  7. #7 Re: Top speed, governor 
    Grocery Getter x2 goldgp's Avatar
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    my gtp has a stock pcm, ive been to 120 also.i was wondering were the limiter was.my se was at 108 as stated above.
    1998 GTP Mods: Getrag 5 speed ,balanced bottom end,ARP hardware,L32 rods,Federal pistons .20 over,XP Cammed,Double roller,130# springs,and 3.4 Gen V,SSC springs,GMPP sways, C5 calipers,12 inch brakes.2000 Grand Prix SE 3.8 Mods: GT dual exaust,plog,downpipe,Transgo Shift kit,1.9 yella terra rr,strut braces,gmpp kit.Both noob tuned with HP Tuner
     

  8. #8 Re: Top speed, governor 
    Moderator DanPrixGTP's Avatar
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    Stock GTP: Limits at 125 i believe

    Stock GT/SE with 3.8: Limits at 107 or 108 i believe also
    '97 GTP - Stage 2 Heads, 90# Springs, 1.9 Harland Sharp Rockers, Gen V, 3.0, Intake, N* TB, LQ4, FSIC, 10.5mm Wires, Poly Mounts, SLP Headers, Borla Exaust, Built Trans - SOLD*

    '08 G8 GT - 6.7L 408CI Stroker, 239/254 Cam, Fast Intake, 102mm TB, CAI, Full Exhaust.





     

  9. #9 Re: Top speed, governor 
    Moderator dsmuts's Avatar
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    ^^^that sounds right
    98 GTP modded 1.9's, sd headers, 3.4", zzp 1.0 230K miles scrapped.
    04 Comp G zzp stb's, UMI ta's, Speedbuilt sways, bully flo heads, XP, zzp headers, fsic, thrasher shift kit, 60#, 2.6" corsa 2.5", Inferno hood
    01 gt z7 turbo tep trans zzp motor
    08 g8 gt cam exhaust 11.87@118
     

  10. #10 Re: Top speed, governor 
    The Boss Iceman6669's Avatar
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    126 is stock limiter on GTP

    110 on GT and SE
    97 GTP Sold-prolly rusted away by now
    2011 F-150 Yote powered
    Too Hot to Handle, Too Cold to Hold
     

  11. #11 Re: Top speed, governor 
    WHERES THE LAMB SAUCE?!?! Matt Palm's Avatar
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    my 2000 gtp stops at 110 it sat at that speed for about 10 seconds kinda was disapointed
    dhp tune, sd lip, shiny stuffs, retros, gen 2 spoiler, gpo's, pregens
    http://www.grandprixforums.net/showthread.php?t=75198
     

  12. #12 Re: Top speed, governor 
    Moderator DanPrixGTP's Avatar
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    Quote Originally Posted by Iceman6669 View Post
    126 is stock limiter on GTP

    110 on GT and SE
    I believe your false on the GT/SE Josh.

    I used to have a 2001 GT and i went 107 on the highway going to hudsonville. at 107ish is when it cut out, thats what my HUD was showing.
    '97 GTP - Stage 2 Heads, 90# Springs, 1.9 Harland Sharp Rockers, Gen V, 3.0, Intake, N* TB, LQ4, FSIC, 10.5mm Wires, Poly Mounts, SLP Headers, Borla Exaust, Built Trans - SOLD*

    '08 G8 GT - 6.7L 408CI Stroker, 239/254 Cam, Fast Intake, 102mm TB, CAI, Full Exhaust.





     

  13. #13 Re: Top speed, governor 
    The Boss Iceman6669's Avatar
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    Quote Originally Posted by Matt Palm View Post
    my 2000 gtp stops at 110 it sat at that speed for about 10 seconds kinda was disapointed

    0_0



    I have had my 97 WAY past the end of the speedo before.................Does your 4th gear work???
    97 GTP Sold-prolly rusted away by now
    2011 F-150 Yote powered
    Too Hot to Handle, Too Cold to Hold
     

  14. #14 Re: Top speed, governor 
    WHERES THE LAMB SAUCE?!?! Matt Palm's Avatar
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    yes it does now i wanna go get in my car and test it out only problem is that its raining and it would be a little sketchy i hit 100 in the rain once will never do it again
    dhp tune, sd lip, shiny stuffs, retros, gen 2 spoiler, gpo's, pregens
    http://www.grandprixforums.net/showthread.php?t=75198
     

  15. #15 Re: Top speed, governor 
    Turbo is the way to go. Fivefingerdeathpunch's Avatar
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    Let me know when your transmission dies from going that fast.

    WOT shifts into 4th are just the best thing for it.

    SMGPFC Member #1
     

  16. #16 Re: Top speed, governor 
    DUI BABY Bio248's Avatar
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    i hate these threads with a passion.

    you should all lower your limiters to 80 instead.
     

  17. #17 Re: Top speed, governor 
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    I had my GTP at 126 according to HUD last week. Didn't cut out. The limiter must be higher, because I'm using a stock PCM.
    1998 GTP Sedan: Gen III, Speedy Daddy Headers, SLP Catback, Magnaflow High Flow Cat, Open Cone Intake, Autolite 104s, Debadged, more to come!
     

  18. #18 Re: Top speed, governor 
    GT Level Member 00GT's Avatar
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    My GT gov is at 108
    My old GTP was at 126.
    Did this one time each. Most of the time its stupid to go that fast on a regular road. You could end up killing yourself or more importantly someone else.
     

  19. #19 Re: Top speed, governor 
    WHERES THE LAMB SAUCE?!?! Matt Palm's Avatar
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    ive only hit 100 with my car twice in 2 years usually the highest is about 75 maybe 80
    dhp tune, sd lip, shiny stuffs, retros, gen 2 spoiler, gpo's, pregens
    http://www.grandprixforums.net/showthread.php?t=75198
     

  20. #20 Re: Top speed, governor 
    Sunroof S/C'es air 2 face E IN v Y's Avatar
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    Id rather kill myself than kill someone else...
    I've hit 116
     

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