# Speed cut off  SR20DET ???

**URL:** <https://forums.speedlife.net/t/speed-cut-off-sr20det/90597>\
**Category:** SON240sx Automotive\
**Created:** [November 23, 2005, 4:52pm UTC](https://forums.speedlife.net/t/speed-cut-off-sr20det/90597 "2005-11-23T16:52:17Z")\
**Posts on this page:** 20\
**Page:** 1

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**Author:** ![TorontoGT-R33](https://yyz2.discourse-cdn.com/flex034/user_avatar/forums.speedlife.net/torontogt-r33/32/5500_2.png) [@TorontoGT-R33](https://forums.speedlife.net/u/TorontoGT-R33)\
**Post date:** [November 23, 2005, 4:52pm UTC](https://forums.speedlife.net/t/speed-cut-off-sr20det/90597/1 "2005-11-23T16:52:17Z")

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Hey guys Im getting mixed replies on this. My friend tells me his SR20DET cuts out at 190-200 and others are telling me they have gone 220-240 with out a speed cut controler.

Does anyone know if an SR20DET has a speed limiter and at what speed?

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**Author:** ![koz](https://yyz2.discourse-cdn.com/flex034/user_avatar/forums.speedlife.net/koz/32/5478_2.png) [@koz](https://forums.speedlife.net/u/koz)\
**Post date:** [November 23, 2005, 4:53pm UTC](https://forums.speedlife.net/t/speed-cut-off-sr20det/90597/2 "2005-11-23T16:53:22Z")

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189 km/h

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**Author:** ![Cal](https://yyz2.discourse-cdn.com/flex034/user_avatar/forums.speedlife.net/cal/32/5505_2.png) [@Cal](https://forums.speedlife.net/u/Cal)\
**Post date:** [November 23, 2005, 5:03pm UTC](https://forums.speedlife.net/t/speed-cut-off-sr20det/90597/3 "2005-11-23T17:03:10Z")

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same as a ka

a blitz ecu will solve that problem 😉

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**Author:** ![Jedi\_Car\_Fan](https://avatars.discourse-cdn.com/v4/letter/j/b9e5f3/32.png) [@Jedi\_Car\_Fan](https://forums.speedlife.net/u/Jedi_Car_Fan)\
**Post date:** [November 23, 2005, 5:06pm UTC](https://forums.speedlife.net/t/speed-cut-off-sr20det/90597/4 "2005-11-23T17:06:09Z")

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> [@koz](#):
>
> 189 km/h

yea… like 190km or like 5300rpm in 5th gear

i’ve had the pleasure of running a blitz access ecu thou without speed cut… and being able to take 3rd gear to where 5th cuts out is nice 😃

i gotta come up with something to kill the speed cut over this winter.

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**Author:** ![Cal](https://yyz2.discourse-cdn.com/flex034/user_avatar/forums.speedlife.net/cal/32/5505_2.png) [@Cal](https://forums.speedlife.net/u/Cal)\
**Post date:** [November 23, 2005, 5:10pm UTC](https://forums.speedlife.net/t/speed-cut-off-sr20det/90597/5 "2005-11-23T17:10:52Z")

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> [@Jedi\_Car\_Fan](#):
>
> [quote=koz]189 km/h

and being able to take 3rd gear to where 5th cuts out is nice 😃

[/quote]

i’ve learned that bikes don’t like that too much though…

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**Author:** ![Jedi\_Car\_Fan](https://avatars.discourse-cdn.com/v4/letter/j/b9e5f3/32.png) [@Jedi\_Car\_Fan](https://forums.speedlife.net/u/Jedi_Car_Fan)\
**Post date:** [November 23, 2005, 5:15pm UTC](https://forums.speedlife.net/t/speed-cut-off-sr20det/90597/6 "2005-11-23T17:15:13Z")

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> [@got\_boost\_S13](#):
>
> [quote=Jedi\_Car\_Fan][quote=koz]189 km/h

and being able to take 3rd gear to where 5th cuts out is nice 😃

[/quote]

i’ve learned that bikes don’t like that too much though…[/quote]

I would re-gear my 125s so I could just ring the snot out of them in 3rd gear and not worry about using 4th since the click up would result in a click down shortly after so why bother… lol.

And on up hill jump having to leave the powerband in 3rd to click to 4th is a risk I never liked taking.

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**Author:** ![Sasha\_SG](https://yyz2.discourse-cdn.com/flex034/user_avatar/forums.speedlife.net/sasha_sg/32/5477_2.png) [@Sasha\_SG](https://forums.speedlife.net/u/Sasha_SG)\
**Post date:** [November 23, 2005, 6:09pm UTC](https://forums.speedlife.net/t/speed-cut-off-sr20det/90597/7 "2005-11-23T18:09:42Z")

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some have some dont its weird.

my s14 did but my s13 didnt. whacky stuff, they were installed the same. i havent figured out what it is, and no one really knows for sure. then agin the white car didnt have a rev limiter either.

and 3rd only goes to like 140, 4th goes to 200 or so.

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**Author:** ![S13GG](https://yyz2.discourse-cdn.com/flex034/user_avatar/forums.speedlife.net/s13gg/32/5506_2.png) [@S13GG](https://forums.speedlife.net/u/S13GG)\
**Post date:** [November 23, 2005, 6:20pm UTC](https://forums.speedlife.net/t/speed-cut-off-sr20det/90597/8 "2005-11-23T18:20:29Z")

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> [@got\_boost\_S13](#):
>
> a blitz ecu will solve that problem 😉

yeah thats what I’m talking about…cams? 😉

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**Author:** ![Lucas180](https://yyz2.discourse-cdn.com/flex034/user_avatar/forums.speedlife.net/lucas180/32/5556_2.png) [@Lucas180](https://forums.speedlife.net/u/Lucas180)\
**Post date:** [November 23, 2005, 6:41pm UTC](https://forums.speedlife.net/t/speed-cut-off-sr20det/90597/9 "2005-11-23T18:41:37Z")

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MY 240 has gone 208 KHH with the KA…i guess the owner before me took the limiter off…i know this casue i have a speical speedometer that shows you more then 180 its digital

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**Author:** ![newbieracer](https://avatars.discourse-cdn.com/v4/letter/n/e47c2d/32.png) [@newbieracer](https://forums.speedlife.net/u/newbieracer)\
**Post date:** [November 23, 2005, 10:23pm UTC](https://forums.speedlife.net/t/speed-cut-off-sr20det/90597/10 "2005-11-23T22:23:16Z")

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^ Do you by anychance have a coupe? :roll:

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<div class="post-metadata">

**Author:** ![TorontoGT-R33](https://yyz2.discourse-cdn.com/flex034/user_avatar/forums.speedlife.net/torontogt-r33/32/5500_2.png) [@TorontoGT-R33](https://forums.speedlife.net/u/TorontoGT-R33)\
**Post date:** [November 24, 2005, 8:00am UTC](https://forums.speedlife.net/t/speed-cut-off-sr20det/90597/11 "2005-11-24T08:00:52Z")

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I was going to get that greddy speed limiter cut controller but then I spoke with a few people and they all sugested I don’t buy it especially if I will be getting a Blitz ECU in the future, it would be a waste of money to purchase a speed limiter cut controller.

Thanks for the help guys.

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**Author:** ![DETS14](https://avatars.discourse-cdn.com/v4/letter/d/ee59a6/32.png) [@DETS14](https://forums.speedlife.net/u/DETS14)\
**Post date:** [November 24, 2005, 8:22am UTC](https://forums.speedlife.net/t/speed-cut-off-sr20det/90597/12 "2005-11-24T08:22:19Z")

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BRRAAPAPAPPAPPAPAPAPPAPAAPAAPAP 189km/h

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<div class="post-metadata">

**Author:** ![Jedi\_Car\_Fan](https://avatars.discourse-cdn.com/v4/letter/j/b9e5f3/32.png) [@Jedi\_Car\_Fan](https://forums.speedlife.net/u/Jedi_Car_Fan)\
**Post date:** [November 24, 2005, 12:19pm UTC](https://forums.speedlife.net/t/speed-cut-off-sr20det/90597/13 "2005-11-24T12:19:33Z")

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> [@Toronto240sx](#):
>
> I was going to get that greddy speed limiter cut controller but then I spoke with a few people and they all sugested I don’t buy it especially if I will be getting a Blitz ECU in the future, it would be a waste of money to purchase a speed limiter cut controller.
> 
> Thanks for the help guys.

an Apexi Rev/Speed Meter will allow you to change top speed as well as rev limit… their actually pretty neat if you buy the G sensor as well.

but a blitz access ECU is even better.

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**Author:** ![alesserfate](https://avatars.discourse-cdn.com/v4/letter/a/f6c823/32.png) [@alesserfate](https://forums.speedlife.net/u/alesserfate)\
**Post date:** [November 24, 2005, 1:32pm UTC](https://forums.speedlife.net/t/speed-cut-off-sr20det/90597/14 "2005-11-24T13:32:10Z")

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> [@newbieracer](#):
>
> ^ Do you by anychance have a coupe? :roll:

lol does the coupe lcd go over 199

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<div class="post-metadata">

**Author:** ![newbieracer](https://avatars.discourse-cdn.com/v4/letter/n/e47c2d/32.png) [@newbieracer](https://forums.speedlife.net/u/newbieracer)\
**Post date:** [November 24, 2005, 9:47pm UTC](https://forums.speedlife.net/t/speed-cut-off-sr20det/90597/15 "2005-11-24T21:47:59Z")

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> [@alesserfate](#):
>
> [quote=newbieracer]^ Do you by anychance have a coupe? :roll:

lol does the coupe lcd go over 199[/quote]

I dunno i was just asking if he had a coupe. Because unless he has Gtech or somthing Im not sure how his speedo is digital.

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**Author:** ![Gonad](https://yyz2.discourse-cdn.com/flex034/user_avatar/forums.speedlife.net/gonad/32/5481_2.png) [@Gonad](https://forums.speedlife.net/u/Gonad)\
**Post date:** [November 24, 2005, 10:04pm UTC](https://forums.speedlife.net/t/speed-cut-off-sr20det/90597/16 "2005-11-24T22:04:28Z")

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Coupe speedo will most likely max out at 199 KM/H…

But let’s not forget you can switch it to MPH. 199 MPH. :noes:

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**Author:** ![mr200](https://yyz2.discourse-cdn.com/flex034/user_avatar/forums.speedlife.net/mr200/32/5495_2.png) [@mr200](https://forums.speedlife.net/u/mr200)\
**Post date:** [November 25, 2005, 10:59am UTC](https://forums.speedlife.net/t/speed-cut-off-sr20det/90597/17 "2005-11-25T10:59:18Z")

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Heh, I’ve always wondered that.

The digital speedo on the 200sx goes to 188. I know this for a fact. But we haven’t tried to max it out in MPH …

188 mph is a) likely way faster than the car will go and b) I don’t want to find out how this thing will handle at 312 km/h

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**Author:** ![SHIFT\_KA24DET](https://avatars.discourse-cdn.com/v4/letter/s/b9bd4f/32.png) [@SHIFT\_KA24DET](https://forums.speedlife.net/u/SHIFT_KA24DET)\
**Post date:** [November 25, 2005, 1:16pm UTC](https://forums.speedlife.net/t/speed-cut-off-sr20det/90597/18 "2005-11-25T13:16:48Z")

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> [@koz](#):
>
> 189 km/h

Stock Speedo’s are off 5% so at 180km which the ECU is electronically  
cut off at, moving 180km actually reads 189km/h on the speedo.

Blitz ECU, Enthapy, Bikirom, AEM EMS, TechTom Tune, Greddy Speed Cut  
Controller etc. will eliminate the speed cut problem we all suffer from.

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<div class="post-metadata">

**Author:** ![SHIFT\_KA24DET](https://avatars.discourse-cdn.com/v4/letter/s/b9bd4f/32.png) [@SHIFT\_KA24DET](https://forums.speedlife.net/u/SHIFT_KA24DET)\
**Post date:** [November 25, 2005, 1:20pm UTC](https://forums.speedlife.net/t/speed-cut-off-sr20det/90597/19 "2005-11-25T13:20:42Z")

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> [@Gonad](#):
>
> Coupe speedo will most likely max out at 199 KM/H…
> 
> But let’s not forget you can switch it to MPH. 199 MPH. :noes:

You would think that but When I switched it to MPH it stoped at 123mph.

Even though my AEM EMS Read up to 267kph

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**Author:** ![alesserfate](https://avatars.discourse-cdn.com/v4/letter/a/f6c823/32.png) [@alesserfate](https://forums.speedlife.net/u/alesserfate)\
**Post date:** [November 26, 2005, 3:34pm UTC](https://forums.speedlife.net/t/speed-cut-off-sr20det/90597/20 "2005-11-26T15:34:18Z")

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man, now i want a coupe speedo, switch to mph, and go ahead remove speed limiter and see it go high through the sky, i know its probably only gonna go up to 250km/h with a good running motor

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