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how fast can a grand prix gt go without the speed limiter (top speed)

This is a discussion on how fast can a grand prix gt go without the speed limiter (top speed) within the The Lounge forums, part of the General Forum category; anyone know? im curious to see if ive hit it........


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Old 01-30-2008, 01:17 AM   #1
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Default how fast can a grand prix gt go without the speed limiter (top speed)

anyone know? im curious to see if ive hit it.....
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Old 01-30-2008, 01:55 AM   #2
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Default Re: how fast can a grand prix gt go without the speed limiter (top speed)

my guess would be in the 135-145 range, but only a guess
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Old 01-30-2008, 02:06 AM   #3
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Default Re: how fast can a grand prix gt go without the speed limiter (top speed)

Had mine up to the max at 120,, but still went a tad faster
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Old 01-30-2008, 03:26 AM   #4
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Default Re: how fast can a grand prix gt go without the speed limiter (top speed)

I was goin 125 at one point on Interstate 5, on a recent trip back from LA I was goin over 145 through Camp Pendleton....depends how your car is set up.
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Old 01-30-2008, 05:05 AM   #5
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Default Re: how fast can a grand prix gt go without the speed limiter (top speed)

in the GTP I was going 152...but it would still go mph...every mile or two....not much more after that when it was mainly stock.

I have had my GT up to 119.....doesnt really have much more
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Old 01-30-2008, 01:23 PM   #6
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Default Re: how fast can a grand prix gt go without the speed limiter (top speed)

144mph confirmed at the top of third for me... if the rev limiter was higher, it would've been higher, but I didn't want to shift into OD while going that fast. Only did it once though, as I really don't need to be hitting a tree, or much worse, another innocent driver.
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Old 01-30-2008, 02:26 PM   #7
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Default Re: how fast can a grand prix gt go without the speed limiter (top speed)

iev only hit 130 in my gtp soo far with my new pcm in it.
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Old 01-30-2008, 02:53 PM   #8
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Default Re: how fast can a grand prix gt go without the speed limiter (top speed)

I hit 134mph chasing down a WS6 Firebird (I caught that sucker too and nearly got around him but we came up on traffic). I dont know if it would have went faster or not, it was within a month of me getting the GTP and before I had started modding.
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Old 01-30-2008, 05:51 PM   #9
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Default Re: how fast can a grand prix gt go without the speed limiter (top speed)

A friend of ours has had his Grand Prix up to 155. We had our old Grand Prix up to 134, and my 442 I had her up to 130. The Cutlass has been up to 143 with a different motor in it.
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Old 01-30-2008, 08:05 PM   #10
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Default Re: how fast can a grand prix gt go without the speed limiter (top speed)

Quote:
Originally Posted by 2Fast4U View Post
A friend of ours has had his Grand Prix up to 155. We had our old Grand Prix up to 134, and my 442 I had her up to 130. The Cutlass has been up to 143 with a different motor in it.
Talk about a woman that moves fast, WOW!!!
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