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speed limiter montecarlo ss 2006

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Old 08-21-2006, 11:52 AM
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Yes. Ke byeee
Old 08-31-2006, 08:15 PM
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I have a 06 Imp SS and it stops pulling at 151, it just ant got no more!!!
As for 125mph TAKE IT BACK
Old 08-31-2006, 09:26 PM
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From the factory my speed limiter was set at 140mph. Now its 318mph(wonder if thats too low )
Old 09-01-2006, 06:20 PM
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And then I sprayed his a$$
Old 09-15-2006, 03:05 PM
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BuffaloSS i want ur imapala SS because mine and all the ones at the dealership i work for are all governed at 125. not saying ur a lier but i just cant see how that is. did u use a tuner on it?
Old 09-16-2006, 12:05 PM
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Nope...don't have money for the tune...140-141 is where it cut off. Just about every Pontiac GP GXP has said the same, including the guys who do the custom tuned PCMs. 140 is the cutoff. When did you get yours? I picked mine up in September, 05. Maybe that has somehting to do with it?

I knew i shoulda reached for the camera ...maybe next time!
Old 09-22-2006, 08:19 AM
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This week i went to Toronto twice for back-to-back Yankee's games and my wife can attest that my car is not limited at 125. On the way home Tuesday night I hit 133 with room to go, but that's when she got scared and wanted me to slow down. It was during some good-natured racing and maneuvering with a 350Z convertable. He did not want to go that fast, so i won

BTW, i averaged 90mph on the trip home and turned a 1hr, 40min trip into 1hr, 10min
Old 09-22-2006, 09:08 AM
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my gxp shut down at 143, racin a friend of mines modded 1g dsm. {yes i was ahead}
after the pcm, 3rd goes to 152. 4th? uhhhh who knows!

on the dyno the car would shut down at 140 in 3rd.
Old 09-22-2006, 09:22 AM
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I've had my 06 Impala SS up to 130 something on a few occasions. Had to let off for one reason or another. Was purchased in Oct of 05.
Old 09-22-2006, 10:11 AM
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GXP and Chevys are PCM limited at 140. I set mine to 150 for good luck
Old 09-22-2006, 12:11 PM
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Originally Posted by BuffaloSS
This week i went to Toronto twice for back-to-back Yankee's games and my wife can attest that my car is not limited at 125. On the way home Tuesday night I hit 133 with room to go, but that's when she got scared and wanted me to slow down. It was during some good-natured racing and maneuvering with a 350Z convertable. He did not want to go that fast, so i won

BTW, i averaged 90mph on the trip home and turned a 1hr, 40min trip into 1hr, 10min

how was your mileage on the highway runs, any better than normal??
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Old 09-22-2006, 06:07 PM
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Originally Posted by 06MonteSS
how was your mileage on the highway runs, any better than normal??
On my 2nd trip to TO, i got 23mpg and averaged about 80mph (miles/time not DIC average)...and i got almost 22mpg on the first trip when i averaged 90mph. I spent a lot of time on the first trip at 90 or above but didn't take note of the instantaneous mileage while i was flyin at 110-120mph...whattaya think? 8mpg maybe
Old 09-26-2006, 04:56 PM
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My Impala SS shifts from 3 to 4 th gear at 125 mph but it is still pulling. Still have not topped out the SS. So I don't know what its top speed is.
Old 09-26-2006, 11:36 PM
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Originally Posted by BuffaloSS
On my 2nd trip to TO, i got 23mpg and averaged about 80mph (miles/time not DIC average)...and i got almost 22mpg on the first trip when i averaged 90mph. I spent a lot of time on the first trip at 90 or above but didn't take note of the instantaneous mileage while i was flyin at 110-120mph...whattaya think? 8mpg maybe
I got about 12 mpg once running around 110 mph for about 30 minutes. I guess thats not too bad considering its an automatic.

Originally Posted by crippler22
My Impala SS shifts from 3 to 4 th gear at 125 mph but it is still pulling. Still have not topped out the SS. So I don't know what its top speed is.
Stock settings let it shift way to soon into 4th gear... the car will top out in 3rd gear. The GXP is about 150 mph... Not sure about the impala... I would think roughly the same.



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