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Does my car have an engine cut-off at max speed/revs?

Posted: Sun Jun 18, 2017 7:18 am
by simonc
Hi guys, just a quickie to follow up on my trip back to Singapore last Thursday. On my way down, I was lucky to hit a lovely long stretch where I was able to really put my foot down. The speedo needle hit its max of 185 kph but I was still accelerating. Obviously the speedo was beyond its capability, but as I was then travelling at Warp 10, the engine suddenly cut itself off. Just for a second it felt like there was no power, (no bang, no jolt), which of course made me immediately take my foot off the accelerator and slow down.
I panicked a bit, and nervously scanned the dash for a warning light but there was nothing to see. The rest of the trip was pretty high speed, but as the traffic had picked up, I didn't open her up like I'd done earlier.
Actually, when I stopped for a coffee and a ciggy an hour or so later, I gingerly opened the bonnet to see if anything looked amiss, like oil sprayed everywhere or a piston stuck out of the rocker cover, but to my untrained eye, all looked okay.
She's run fine since, so this is why I'm asking if a 'cut-off' system actually exists.
If anyone of you gurus could let me know, I'd be grateful.
Thanks, Si.
;)

Posted: Sun Jun 18, 2017 9:57 am
by Vtecmec
Is your a JDM? They are limited at about 114mph, which is about 185kph. ;)

Posted: Sun Jun 18, 2017 10:04 am
by simonc
Morning @Vtecmec, Yes sir, she's a JDM. Thanks for letting me know. Brilliant, I haven't broken it then. :D

Posted: Sun Jun 18, 2017 3:10 pm
by mercutio
lol yeah its a soft cut limiter

Posted: Sun Jun 18, 2017 3:18 pm
by NafemanNathan
Yep, all's well and functioning as it should ;) I always believed it was 112mph/180kmph.

Most kmph to mph converters can remove the limiter.

Re: Does my car have an engine cut-off at max speed/revs?

Posted: Sun Jun 18, 2017 3:21 pm
by tom023
Surely even without the jdm limiter, the car would run out of power and not be able to exceed a certain speed/rpm before it blew up.
Either that, or it would hit the rev limiter in 5th hahaha.

Sent from my Redmi Note 2 using Tapatalk

Posted: Sun Jun 18, 2017 4:14 pm
by wurlycorner
As above, speed limiter or rev limiter hit.
Entirely normal.
And in answer to your question in thread title... Yes, the car has both of those!

Posted: Mon Jun 19, 2017 1:08 am
by simonc
Many thanks to you all for the fab feedback. As ever, it's much appreciated. :D