Speed limiter????
Speed limiter????
I am convinced that my car has a speed limiter at 149. 
It never seems to matter what the conditions are or how much power the car makes or what size tires I have on the car. Once it sees 149 I feel an instant power loss as if someone threw a switch.
Im not condoning that any of you attempt this or try to prove/disprove that your car suffers the same fate.
It never seems to matter what the conditions are or how much power the car makes or what size tires I have on the car. Once it sees 149 I feel an instant power loss as if someone threw a switch.
Im not condoning that any of you attempt this or try to prove/disprove that your car suffers the same fate.
Senior Member
Joined: Nov 2000
Posts: 1,701
That's moving for a Maxima. Don;t know what hp upgrades you have but its going to be hard to go much faster with these cars w/o significant hp increases. My 6 speed pulls hard through 4th and then 5th gear seems to loose quite a bit of steam. Since it takes so long to accelerate after 130 or so, that's all the faster Ive gone in it.
........
Senior Member
Joined: Oct 2002
Posts: 368
Originally Posted by SR20DEN
I am convinced that my car has a speed limiter at 149.
It never seems to matter what the conditions are or how much power the car makes or what size tires I have on the car. Once it sees 149 I feel an instant power loss as if someone threw a switch.
Im not condoning that any of you attempt this or try to prove/disprove that your car suffers the same fate.
It never seems to matter what the conditions are or how much power the car makes or what size tires I have on the car. Once it sees 149 I feel an instant power loss as if someone threw a switch.
Im not condoning that any of you attempt this or try to prove/disprove that your car suffers the same fate.
Don't you have some mods, like Headers, SAFC-II and do you have a 6speed too?
Senior Member
Joined: Feb 2003
Posts: 200
Originally Posted by SR20DEN
I am convinced that my car has a speed limiter at 149.
It never seems to matter what the conditions are or how much power the car makes or what size tires I have on the car. Once it sees 149 I feel an instant power loss as if someone threw a switch.
Im not condoning that any of you attempt this or try to prove/disprove that your car suffers the same fate.
It never seems to matter what the conditions are or how much power the car makes or what size tires I have on the car. Once it sees 149 I feel an instant power loss as if someone threw a switch.
Im not condoning that any of you attempt this or try to prove/disprove that your car suffers the same fate.
What you need is a TechnoSquare ECU... It will remove that nasty speed limiter that we all have to deal with on our daily rush hour commute to work... man it sucks that you can't go past 149...
currious what are the RPMs at with 149MPH on the speedo ? Mine runs out of Revs in 5th, I have a 17" V-rated SE ECU program in my GXE ECU which has not speed limiter on it. I know for a fact 6K RPM in 5th on a 5th gen 3.0L is 150MPH on the speedo...redline pegs the needle to 160MPH and it won't go more. DE-K motors are great for top speed runs with our top end power.
The autos (most) have a soft limiter at 130mph.
No one here to my knowlege with a 6 speed has ever complained about a speed limiter. I have the only one that I have ever heard of in this car. And it isn't a fuel cut limiter, it's a throttle cut limiter.
I know some to claim to have seen 155 and some have done 157 on the dyno. Perhaps they don't have the same limiter or their throttle doesn't cut enough to kill the speed on the rollers.
All I do know is that the car gets there pretty quickly now and I can actually feel the cut in power.
I do want to get the TS ECU but for this reason it's really pointless. I never havea real need to drive that fast it's just that some very rare times I get the chance and want to see where it will top out at.
Keep in mind that this is still pretty dangerous in a few different ways so Im not encouraging any of you to attempt it.
No one here to my knowlege with a 6 speed has ever complained about a speed limiter. I have the only one that I have ever heard of in this car. And it isn't a fuel cut limiter, it's a throttle cut limiter.
I know some to claim to have seen 155 and some have done 157 on the dyno. Perhaps they don't have the same limiter or their throttle doesn't cut enough to kill the speed on the rollers.
All I do know is that the car gets there pretty quickly now and I can actually feel the cut in power.
I do want to get the TS ECU but for this reason it's really pointless. I never havea real need to drive that fast it's just that some very rare times I get the chance and want to see where it will top out at.
Keep in mind that this is still pretty dangerous in a few different ways so Im not encouraging any of you to attempt it.
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on my 03 auto i reached 147 and had it down to the floor , as soon as it touched 147 i saw the rpm drop down a bit and the speed and rpm strted to come down even though i had the pedal to the floor the whole time sumthigns up with this limiter stuff
Senior Member
Joined: Jun 2001
Posts: 342
I agree with Qmax03 on this. Mine reached around 147 and the speed dropped
down to approximate 110 before I was able to pickup speed again.
Mike
down to approximate 110 before I was able to pickup speed again.
Mike
Originally Posted by Qmax03
on my 03 auto i reached 147 and had it down to the floor , as soon as it touched 147 i saw the rpm drop down a bit and the speed and rpm strted to come down even though i had the pedal to the floor the whole time sumthigns up with this limiter stuff
The fastest I have ever taken my 03 auto was a GPS measured 146.96. The speedo, however, read 160. After donating my ECU to technosquare, they told me that there is a limiter at 154 mph (this is what was written in the software) on the automatic. I was witness to another member pulling 157 on a dyno, so I guess TS really did get rid of the limiter. The reason he only pulled 157 was that his tires began to overheat and smoke. Next time I go to the shop, I hope to see what my car can do top speed wise in 4th gear.
Wow I must be one of the few Autos that has a throttle cut at 130ish showing on the speedo. Guess its just an NC thing, Now when I had the TS ECU it was gone. Haven't went that fast since getting the ECU back to tell if its still there. Maybe its an NC thing 
Originally Posted by blubyu2k2
Wow I must be one of the few Autos that has a throttle cut at 130ish showing on the speedo. Guess its just an NC thing, Now when I had the TS ECU it was gone. Haven't went that fast since getting the ECU back to tell if its still there. Maybe its an NC thing
I've got the same limiter...GLE model and all. Found out the hard way on my way to Virginia Beach 
Member
Joined: Nov 2003
Posts: 71
Originally Posted by blubyu2k2
Wow I must be one of the few Autos that has a throttle cut at 130ish showing on the speedo. Guess its just an NC thing, Now when I had the TS ECU it was gone. Haven't went that fast since getting the ECU back to tell if its still there. Maybe its an NC thing
Your not alone on that one. I had a flat, straight, 4 mile stretch of road. Damn thing just didnt want me to go more than 130. Very disappointed in my car on that one..... But I am sure there are ways to fix that one...
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