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Does anyone know the top speed of my 1995 SLS and will the computer limit it I recently was treating my N* to a WOT and I let go at 110mph but it seemed like it would just keep going faster and faster.:yawn:
Thanks
 

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i dont know but have done the same with my 94 etc, not to much but i had 115 and still going like it wanted more. anybody maxed out your caddy as of late but. i dont belive there is any limiter on your car the air pressure is your speed limiter lol good luck train dont t-bone your ride
 

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1989 Fleetwood FWD / 2000 ETC / 2000 STS / 2006 STS V-8 1SF RWD
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Hello...
The SLS has 2 top-speed limits depending on the speed rating of the tires that were installed by the factory.
Look on your door jamb to see what your rating was:

*113 with H rated tires
*133 with S rated tires
(The STS is limited...or "unlimited" to 150 with Z rated tires!)

*(to the best of my memory)

Post back any corrections for my data.
 

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2001 STS
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My 2001 STS has "W" rated tires. I had it up to 135 and figured that was fast enough, but it still had a lot of lung left. Maybe some day, with the right road . . . you know.
 

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My 2000 SLS annunciates "Top speed limited - fuel cutoff" or some derivation thereof at around 111-113 mph. This occurs often. If you have extra-wide tires, the SLS active suspension, and some nice music playing—the only way to keep track of your speed is the sudden jolt as the ECU cuts off the fuel at 111 mph... probably a good feature that an operator should be able to temporarily disable in the event of a particularly good atmospheric or social tendency towards enhanced performance. I.e., pavement temperature is exactly at the tires' optimal band of operation, driver is in "the zone" and/or late for a round of golf, or the Vermont 9 highway has a fresh coat of snow on it and the wife is about to deliver a baby and you're rushing to the nearest hospital at 4 AM.

Cheers ---- and Let me know when anyone cracks the ODBII or knows if a techtool can change that setting (and others).
 

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1996 STS
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gdgrosse said:
Cheers ---- and Let me know when anyone cracks the ODBII or knows if a techtool can change that setting (and others).
You and a WHOLE bunch of others are waiting....
 

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i hit 157 with my caddy , i took my gov off, and got z rated michellin tires, i think it can go faster, but there was too many cars on the highway. 98 sts.
 

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STS
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I've had my STS to 120 on the crappy OEM Michelin MXM4 H Rated tires...
Do the tires really have anything to do with the speed you can go?????
I thought that was ALL controlled by the ODBII
 

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Crazy sh*t...take a advance driving coarse. They talk about cazys like youself. Maybe after it, it will sink in you need to join the SCCA. No such thing as fast on the street, come out to track and you'll have the doors suck off your car! All need is for you to lose it at that speed and kill me or one of my loved ones. TAKE IT TO THE TRACK BONE HEAD!
 

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here's a few track day pic of fast...a gixer1000 makin' 190rwhp...now we're talkin top speed! I use to think the same way before I started racing, now the streets are for cruizn...too many things to hit at that speed
 

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Take it easy Guy... Its not like I'm doing 120 on a county road in rush hour dude
I'm talking about 10:00 PM on a strip of I-287.... 3 lanes wide with hardly anybody on the road... Please dude...
 

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Jamler...here in Minnasnowta they passed a new law...
Run the ton they take your vehicle, no getting it back it goes up for sheriff's auction. I'd keep it well under 100 here MN. I love speed too just not on the streets...I have lost buddies doing the same stuff you are. Tracks are designed with run off room in mind. Just lookin out for ya dude. Good Luck.
 

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mysts98 said:
i hit 157 with my caddy , i took my gov off, and got z rated michellin tires, i think it can go faster, but there was too many cars on the highway. 98 sts.
how did you take the speed limiter off? i assume the car originally had somethin other than z-rated tireS?
 

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13 Challenger RT, 11 CTS Coupe Premium, 94 Eldorado (RIP)
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Jamler said:
Do the tires really have anything to do with the speed you can go?????
I thought that was ALL controlled by the ODBII
The PCM technically controls the speed limiter. Cars with the lower speed limiter did not originally come with z rated tires from the manufacturer.
 

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13 Challenger RT, 11 CTS Coupe Premium, 94 Eldorado (RIP)
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mysts98 said:
i hit 157 with my caddy , i took my gov off, and got z rated michellin tires, i think it can go faster, but there was too many cars on the highway. 98 sts.
Yes, how did you get the limiter off? Too many cars on the road? At 157, any cars on the road is too many. Are you talking mph? Do you value your life?
 
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