I have a base 2005 Grand prix, and I was driving my car on the freeway and realized my car has a top speed governor and I would like to take it off. I was wondering if anyone knew how to do this and to instruct me how to do so. Thanks
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10-17-2009
I have a base 2005 Grand prix, and I was driving my car on the freeway and realized my car has a top speed governor and I would like to take it off. I was wondering if anyone knew how to do this and to instruct me how to do so. Thanks
10-17-2009
You'll need a tune or a tuner.
10-17-2009
Just confirming, he is 100%. Your PCM needs to be modified. The good news is a tuned PCM is a great upgrade; the bad news is it won’t be cheap.Originally Posted by BwolfGT
Also for general information, I believe the 04+ N/A GPs speed limiters are set to 108 mph, if my memory serves. I would assume this is because of the stock “S” rated tires.
10-17-2009
Just happened to notice huh? How fast were you going? I know the comp g is set at like 140 or so
10-17-2009
i have a 05 gtp and mine shuts off at 138
10-17-2009
Mine stock on my Comp G was 142.
10-18-2009
I upped mine to 200, doubt it could actually ever do 200 though
10-18-2009
hey thanks. yeah the governor tops out at 107/108 and its frustrating because i know it can do much better than that
10-19-2009
i also have a 05 gp gt and would like to remove to governor. How much does a good tuner run and were could i get one?
10-19-2009
Like 400. If you learn how to tune, you'll have a whole new car.
10-19-2009
Now is a tune the same thing as a PCM?
12-09-2009
No A pcm is your car's computer. A tuner is a device hooked up to a laptop that lets you configure your car's computer. These can be had for around $400.00
A base tuned PCM can be had for $150 or less but are not nearly as good as having a personalized tune for your car as each car demands different things to get it to run at peak performance.
02-07-2011
my 07 gp s/c shuts off at 125, i cant find a tuner for my car or a pcm for cars newer than a 05 any help?
02-07-2011
EFI Live and a 04-05 PCM...
02-07-2011
whats efi live?
but if i do a 04-05 pcmit will make my gas gauge to run backwards right?
10-19-2009
I could have sworn I had my 04 gp gt at 115. I will have to try again and see what it shuts off at.
10-19-2009
If you want speed buy a suzuki hayabusa .. I went 185mph... i hit the limiter.. felt like i was trying to tear off the throttle...
It doesnt matter how fast a car goes. it matter how fast it does a 1/4 in
12-07-2009
haha.. that speed is blazing.. my head barely lifted at that speed and the wind tried to rip me off.. had to duck back down hard and fast.. that was the last time i went that fast!!
10-19-2009
i would like to add as someone mentioned tires earlier in this thread PLEASE do not be stupid and kill your govenor in a car with s rated tires. last thing i want is a tire tread seperating in a heavy car at 130mph +
11-01-2009
the ratings on tires are only for a constant speed such as going 160 on the autobahn for a long time...just getting up to 140 for a few seconds wont hurt anything
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