2004 Grand Prix GT 3.8L top speed
Uploader Comments (ferniekid314)
All Comments (15)
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Correct. A stock GT wouldn't be able to, but i never said anything about a stock GT.
With a modded GT, it would definitely be possible with the correct modifications (boost).
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@wildman00sax The GT doesnt have enoph power to get it past around 120 without some mods. A GTP stock will get you to 135. A GXP tops out at around 150 so there is no way a stock 200 HP 3800 could get you to 150.
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@blackspike1991 no, you press two buttons and then km/h lights up instead of mph. when you switch to metric units it does this as well as measures in liters per km instead of mpg
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@burkem10 By doing that all the time, you mean you remove the gauge cluster and replace the gauge face just to make your passenger think you're going 130?
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@ferniekid314 The 3.8 does not have a chip, it has a solid PCM that can only be flashed. The program is very expensive, but you can buy and OBD-II to USB adapter for a laptop and if you get your hands on a program, flash it yourself and tune pretty much anything you want. It isn't recommended for someone who doesn't know what they're doing, but you can always get it dyno tuned.
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@ferniekid314 overkill pcm, you can get it from getoverkilled(dot)ca
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A re-programmed computer (PCM) will disable the 108mph speed limiter.
I believe the 2006 PCMs are different than the 2005 and previous ones, so you may need a custom tune.
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Is there a way to remove the governor? I have an 06 and it cuts out at 108.
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Thats km/h you can change it from mph to km/h on grand prix's
I do it all the time to make it look like im driving 130+ mph when reall im going aobut 70
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Just google ZZP 1.0 PCM and you'll find it.
Your car has 3.29 gears I believe. It's not a programmer or a chip. It's just a stock engine management computer that has some changes made to it.
wish we had no govaner on it
ferniekid314 8 months ago
@ferniekid314
A reflashed PCM will disable the 173kph (108mph) speed limiter.
The real top speed is somewhere in the 240kph - 275kph+ (150mph - 170mph+) range depending on gearing.
It could even be more than that.
wildman00sax 7 months ago
@wildman00sax
really where can i get this man and this car is only a 6 cylinder your telling me it will go 170 mph an dits a highway gear so prolly like a 3:42 or or 3:02 gear but right on man thanks for that tip what is the name of this chip or programer?
ferniekid314 6 months ago