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speed limiter removal

Old 02-14-2006, 05:01 PM
  #61  
misterite
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Originally Posted by zugbug
Had to do it once to find out if the Z was up to it. It is- and I don't need to find out again.
^+1
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Old 02-14-2006, 07:15 PM
  #62  
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i have called every shop in california about a reflash and everyone says they cant do it. give me a # and ill have it done.
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Old 02-15-2006, 07:04 AM
  #63  
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Originally Posted by 1sneaky350z
i have called every shop in california about a reflash and everyone says they cant do it. give me a # and ill have it done.
look up technosquare.
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Old 02-15-2006, 08:55 AM
  #64  
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Jeez... http://www.technosquareinc.com/
You need a bib with that?
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Old 02-15-2006, 09:05 AM
  #65  
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Originally Posted by thezedsled
You could not be more wrong my friend. Other countries use speed limiters too, I know this because I have been to them and have owned and driven vehicles in them. I currently hold a drivers license for Japan, Australia, Korea, Hong Kong and Thailand. So I speak to you from experience when I say that almost every country uses speed limiters these days. The reason why the speed limiter is enforced more on all vehicles sold in the US whether they are made here or imported is because we have higher safety standards than some other countries when it comes to automobiles. For instance we require shatter resistant glass on all vehicles sold where as many other countries like Japan for example does not. You can get it as an option but it is not required. We also require every motor vehicle sold to be equipped with seat belts but some other countries like Korea do not. And the speed limiter is not 155MPH for all vehicles as you say, do your homework and you will see. The Ford GT is a perfect example as it is made and sold right here in the good ol U.S. of A. and it is limited at 220MPH, not 155MPH. And the reason why is simple, because it can safely go that fast.

Now that I have cleared that up let me retype what I said previously in a format that will be a bit easier for your brain to digest. I did not say that it isn't capable of going faster than the limited 155MPH. What I did say is that it is not capable of doing it safely and that is why they limited it to 155MPH.

Now, you do your research and then post. Thanks
For a stock car, this may be true. But when you upgrade to coilovers, sways, tires, and rims, what you say goes right out the window. An FD can go 180 SAFELY on the freeways with coilovers and swaybars on stock tires and rims. The government imposes speed limiters to reduce deaths on the roads. Its safety against those who cant drive, not the car itself.
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Old 02-15-2006, 10:08 AM
  #66  
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Originally Posted by bimmerguy2006
For a stock car, this may be true. But when you upgrade to coilovers, sways, tires, and rims, what you say goes right out the window. An FD can go 180 SAFELY on the freeways with coilovers and swaybars on stock tires and rims. The government imposes speed limiters to reduce deaths on the roads. Its safety against those who cant drive, not the car itself.
I believe it is more to do with the road construction than the car's capability. Autobahn was created for high speed, same with the British "M" designated highways ... and road maintenance is a high priority in both countries. Attempting thier speeds on US highways is not something I'd want to do. 180mph on a Louisiana highway (federal or state maintained) is a quick path to death.
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Old 02-16-2006, 12:09 AM
  #67  
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Originally Posted by idwin
155 is the factory limiter? ive had mine to 157 and didnt hit a limiter?
Speedometer's lose their accuracy the higher you get. Your 157mph was actually probably less than 150 or so in reality.
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Old 02-16-2006, 03:14 AM
  #68  
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Originally Posted by LA_Z
I believe it is more to do with the road construction than the car's capability. Autobahn was created for high speed, same with the British "M" designated highways ... and road maintenance is a high priority in both countries. Attempting thier speeds on US highways is not something I'd want to do. 180mph on a Louisiana highway (federal or state maintained) is a quick path to death.
British 'M' Highways, or Motorways would be good for speed if it wasnt for the Police in unmarked 'M' BMW's; M5's, M3's, Top end Volvos and BMW's and Audi S4's.
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Old 02-16-2006, 05:13 PM
  #69  
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"M" for MMmmmmmm.....
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Old 02-16-2006, 07:42 PM
  #70  
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I've run sustained speeds of 140+ for a good half hour and it felt very stable. Hit a peak of 156 and felt it could easily do more. I think most cars nowadays are limited because of the gearing(overdrive) and power being put out in this new muslecar era.

Here the video too, it was during the hurricane rita fiasco...

https://my350z.com/forum/showthread.php?t=143815
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Old 05-13-2010, 03:47 PM
  #71  
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so i hate to bring reopen an old *** thread but theoretically for all the sftey consious people..
my z has an autopower cage
full na bolt ons intake,spacer, header ,pulleys,test pipes every thing made 258 on a mustang dyno its a (de)
and uprev rev limiter is bumper and speed limiter delete
i run pirelli p zero track tires (full race slicks) from grand am (cortesy of john berget tires)
full nismo version 2 body kit (v1) wing what would top speed be with a 5 mile open and clear road ( if your in south florida there are many) my particular road is in big cypress can anybody answer what would be the drag limited or rev limited speed be ..im curious and dont feel like doing it in real time
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Old 05-13-2010, 04:11 PM
  #72  
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Drag limited. I've seen a high HP TT 350Z only get to around 180 on salt flats. Your N/A power will probably barely break the 160s.
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Old 05-13-2010, 04:25 PM
  #73  
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thank you thats all i needed to hear..i hit 178 on a mustang dyno with simulated road conditions but no wind resistance so i knew it was inaccurate .now i wont have to do it on my road trip to deals gap next month..
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Old 05-13-2010, 05:09 PM
  #74  
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The only comment I had for the op would have been from his sig photo. If this guy really wanted to hit the high speeds, Would he do that in a roadster? Cage?
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Old 05-13-2010, 06:26 PM
  #75  
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this thread is 4 years old... not sure of the OP is still around lol
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Old 05-14-2010, 08:18 PM
  #76  
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Originally Posted by 1sneaky350z View Post
has ne one sucessfuly removed the speed limiter? haw hard is it to install the greddy limit remover? i need to remove it for an upcomming event
You aren't going to any "event" where you are going to be doing over 155. You don't have the safety equipment in your car to run those speeds in ORR texas mile or drag racing, you also have nowhere near enough power to break 150 on any track in the lower 48. You don't need to remove the limiter. Stop.
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Old 05-15-2010, 05:49 AM
  #77  
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Can't wait to see what i'll get on the banking at Cal Speedway in a couple weeks. I'm hoping for over 140.
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Old 06-03-2010, 10:02 PM
  #78  
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Originally Posted by 97supratt View Post

First of all, NO! This speed limiter of 155 is placed on vehicles that are brought into the US! The same vehicles in other countries use the same exact tires and have the same coefficient drag properties yet they dont have speed limiters. The government places these limiters to limit car crashes and deaths per year. Only an idiot will do high speeds on a pothole. The speed rating on a tire is totally different, some vehicles are equipped with Z rated tires and they still cannot exceed 155. The BMW m3 is capable of much higher speeds than 155mph, and also the BMW m5, and the supra twin turbo. Yet all these vehicles had the 155 mph speed limiter. You're telling me these cars cant do 155+ safely? Go back and do some research, then post. Thanks
Exactly!! Alot of the cars that come here are limited in some way or another... We had to wait for our own version of the gtr lol
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Old 04-11-2016, 04:36 AM
  #79  
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Don't understand, here is discussion how to cut speed limit, or why we shouldn't do it??

I have JDM Firelady Z, and I have 192kmh speed limit, it is terrible, I can't even test car on dyno, because 1:1 ration is on 5th gear

So is any way to cut speed limit?? I have good offer of emanage ultimate, but not sure if this ecu can do it.


any idea??
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Old 04-16-2016, 08:55 PM
  #80  
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anyone else just want to find out where this kid is driving over 155 and needs to exceed the speed limiter of his car?
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