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Old 04-04-2011, 09:07 PM   #1
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Raising speed limiter

I have an sct tuner now. What is raising the speed limiter? And is it safe?
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Old 04-04-2011, 09:08 PM   #2
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Originally Posted by Blackedout
I have an sct tuner now. What is raising the speed limiter? And is it safe?
Turns off the top speed limiter. It's fine to eliminate it. But be careful if your gonna peg it.
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Old 04-04-2011, 09:09 PM   #3
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And don't screw around with the rev limit or timing.
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Old 04-04-2011, 09:12 PM   #4
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Originally Posted by Everett

Turns off the top speed limiter. It's fine to eliminate it. But be careful if your gonna peg it.
Why would I have to be careful?
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Old 04-04-2011, 09:15 PM   #5
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Why would I have to be careful?
Because speed kills buddy. Learn to control that car in all situations. And if you're gonna drive that fast be sure to have tires rated for that speed and that your suspension is in tip top shape. And not on wet pavement. These new edge cars handle amazing but will fail when pushed to the limits.
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Old 04-04-2011, 09:17 PM   #6
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Originally Posted by Blackedout

Why would I have to be careful?
If you have to ask, leave it alone.
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Old 04-04-2011, 09:18 PM   #7
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So when the time is right and I raise the speed limiter I'll be fine jus watch bc like ya said speed kills, but is there any threat to possibly blowing the engine?
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Old 04-04-2011, 09:19 PM   #8
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Originally Posted by 11SHELBYGT500

If you have to ask, leave it alone.
If I don't ask I'll never learn... Jus saying.
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Old 04-04-2011, 09:20 PM   #9
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Originally Posted by Blackedout

If I don't ask I'll never learn... Jus saying.
+1, keep asking man. Don't let the old guys keep you down.
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Old 04-04-2011, 09:21 PM   #10
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I wouldn't mess with anything unless I know for sure and do my research and that goes through a lot of looking up. Until I know for sure what I'm doing.
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Old 04-04-2011, 09:29 PM   #11
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K...quick lesson in tuning. Timing is octane dependent and is power. If you could get 100 octane in the tank you could load up the 93 octane tune,then max out the timing advance in all 3 rpm ranges and that would be the most power you could ever get out if that engine short of doing a cam swap. I did that today. I put 94 octane in the tank,then a gallon of toluene mixed in which by my math got me to near 100 octane then advanced the timing in all 3 rpm ranges. Car ran unreal. More power than I have ever felt it have. Burned off that tank of fuel. Filled up with 91 octane,loaded up the 91 octane tune and 20 minutes later blew a plug. Damn
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Old 04-04-2011, 09:30 PM   #12
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Quote:
Originally Posted by Blackedout

If I don't ask I'll never learn... Jus saying.
+1 agree...keep asking
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Old 04-05-2011, 10:47 AM   #13
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re: Raising speed limiter

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Originally Posted by Everett View Post
Because speed kills buddy. Learn to control that car in all situations. And if you're gonna drive that fast be sure to have tires rated for that speed and that your suspension is in tip top shape. And not on wet pavement. These new edge cars handle amazing but will fail when pushed to the limits.
I pegged the 150 speedo in the Mach on 95 in Georgia a few years back ...
I'm still here but then again I'm a crazy old dude .....
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Old 04-05-2011, 11:23 AM   #14
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re: Raising speed limiter

you do not want the rpms to go above what the car can handle, and for 99-04 v6 thats about 5800-6200 if i remember right~ which is above peak power anyway
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Old 04-05-2011, 01:07 PM   #15
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re: Raising speed limiter

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Originally Posted by SpectorV View Post
you do not want the rpms to go above what the car can handle, and for 99-04 v6 thats about 5800-6200 if i remember right~ which is above peak power anyway
In that case the rev limiter would ultimately limit the speed of the car if the top speed limiter was tuned out.
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Old 04-05-2011, 02:29 PM   #16
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re: Raising speed limiter

it would be what ever final drive was at X rpm
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Old 04-06-2011, 08:13 PM   #17
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re: Raising speed limiter

There's really no point in removing it since you'll more than likely fall asleep before the damn car gets to 120. It's more of a "my car isn't speed governed" in which someone dares you to prove it, then you try and lose control and bad things happen...worst part is, the car gets trashed and it wasn't even its fault.
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Old 04-06-2011, 09:25 PM   #18
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Quote:
Originally Posted by sonicpony03
There's really no point in removing it since you'll more than likely fall asleep before the damn car gets to 120. It's more of a "my car isn't speed governed" in which someone dares you to prove it, then you try and lose control and bad things happen...worst part is, the car gets trashed and it wasn't even its fault.
Idk. My v6 pulls til then... But once I hit 115ish, everything seems to shut down because of the damn ecu... But anyways, the top speed limited by revs alone with the stock 3.27s is about 175... When you hit 170 in a v6 with bolt ons call me and I'll send you $1,000.

Edit: and 120 is damn fast... It was a windy day ( and I mean very windy), I went over a bridge going about 110 and I almost got blown into the rail. Speed kills.
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Old 04-06-2011, 10:15 PM   #19
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re: Raising speed limiter

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Originally Posted by Las0mbra View Post
Idk. My v6 pulls til then... But once I hit 115ish, everything seems to shut down because of the damn ecu... But anyways, the top speed limited by revs alone with the stock 3.27s is about 175... When you hit 170 in a v6 with bolt ons call me and I'll send you $1,000.

Edit: and 120 is damn fast... It was a windy day ( and I mean very windy), I went over a bridge going about 110 and I almost got blown into the rail. Speed kills.
Yah it pulls, but if a cobalt was next to you it'd probably be pulling faster...I don't know, I've been in v6 cars at those speeds and it wasn't very thrilling to me, the car is straining while the speedometer is crawling...and damn, what the hell possessed you to go 110 over a bridge?
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Old 04-06-2011, 10:16 PM   #20
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Originally Posted by sonicpony03

Yah it pulls, but if a cobalt was next to you it'd probably be pulling faster...I don't know, I've been in v6 cars at those speeds and it wasn't very thrilling to me, the car is straining while the speedometer is crawling...and damn, what the hell possessed you to go 110 over a bridge?
I forgot the bridge was there... Oh and I'm 17, so I think that should explain enough...
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Old 04-06-2011, 11:47 PM   #21
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Originally Posted by stampde

I pegged the 150 speedo in the Mach on 95 in Georgia a few years back ...
I'm still here but then again I'm a crazy old dude .....
I hear ya. 155 in mine on stock suspension. Floaty.
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Old 04-06-2011, 11:50 PM   #22
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There's really no point in removing it since you'll more than likely fall asleep before the damn car gets to 120. It's more of a "my car isn't speed governed" in which someone dares you to prove it, then you try and lose control and bad things happen...worst part is, the car gets trashed and it wasn't even its fault.
Ha...that's funny
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Old 04-11-2011, 08:47 PM   #23
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re: Raising speed limiter

Back to the original topic...

If you already have a SCT Xcal for your car, simply go into whichever tune you are wanting to load. Go to parameters, select speed limiter and select it to be off. It's pretty simple. Then load the tune as normal and enjoy.

As far as safety concerns, just try not to be stupid. I'm not going to sit here and say it's moronic to go that fast...but honestly it is. Does that stop us? Well..no...

Just be safe out there, that's the number 1 thing.
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Old 04-11-2011, 09:58 PM   #24
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And also, you can remove the speed limiter but keep the rev limiter. Which means you'll still be limited to redline in 5th gear. Ha, and with stock gearing that's about 185, and not even a blown v6 could do that...
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Old 04-12-2011, 06:40 PM   #25
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And also, you can remove the speed limiter but keep the rev limiter. Which means you'll still be limited to redline in 5th gear. Ha, and with stock gearing that's about 185, and not even a blown v6 could do that...
A blown v6?
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Old 04-12-2011, 07:24 PM   #26
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Originally Posted by Blackedout

A blown v6?
Not even if you had a supercharged v6 could you have enough hp to go over about 155...
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Old 04-12-2011, 07:30 PM   #27
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re: Raising speed limiter

Why has no one mentioned tire ratings?
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Old 04-12-2011, 07:36 PM   #28
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Why has no one mentioned tire ratings?
Mine are good for 168mph
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Old 04-19-2011, 08:24 PM   #29
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+1, keep asking man. Don't let the old guys keep you down.
Never such a thing as a stupid question unless your trying to act like it.
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