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FQ360 Limited to 120mph

6K views 43 replies 21 participants last post by  Sparksgsr 
#1 ·
Hi Guys,

I recently picked up an EVO X FQ360 and quickly noticed it it was limited to 120mph.

I've spoken to a local tuner who believes it may be possible to remove but he's unsure about the ECU lock (120+ vat).

I have spoken to my local dealer who say the ECU will need to go back to Mitsi to remove (not yet costed but sounds expensive).

I've also contacted a reputable EVO tuner who can remap the car and remove the limiter plus add a 3 port solenoid and if I add in a full exhaust I should see around 395BHP. (£1790 with parts).

So I'm toying with the idea of option 3 but were talking £1790 for 35BHP but I have a niggling doubt that for 35BHP its firstly a big cost and secondly risks extra stress on the engine, the car isn't exactly slow and its not a massive return.

I'd go with option 1 but as the local guy is unsure its possible I'm not sure I trust him to mess about with the programming.

Do I have any other options? Is there anyone who can remove the limiter and keep the original map other that mitsi?
 
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#6 · (Edited)
I'm guessing you're hitting on 120mph on the road.

The fact you state 35bhp for under £2000 makes me think you're not a keen track goer that requires every -000.1 from lap times.

Either keep in it place, or get it modified however you've bought the wrong car if you're already looking at £ figures.


Edit: I'm sure most remaps / map adjustments will remove the limiter.
 
#16 ·
Hi Guys,

I recently picked up an EVO X FQ360 and quickly noticed it it was limited to 120mph.

I've spoken to a local tuner who believes it may be possible to remove but he's unsure about the ECU lock (120+ vat).

I have spoken to my local dealer who say the ECU will need to go back to Mitsi to remove (not yet costed but sounds expensive).

I've also contacted a reputable EVO tuner who can remap the car and remove the limiter plus add a 3 port solenoid and if I add in a full exhaust I should see around 395BHP. (£1790 with parts).

So I'm toying with the idea of option 3 but were talking £1790 for 35BHP but I have a niggling doubt that for 35BHP its firstly a big cost and secondly risks extra stress on the engine, the car isn't exactly slow and its not a massive return.

I'd go with option 1 but as the local guy is unsure its possible I'm not sure I trust him to mess about with the programming.

Do I have any other options? Is there anyone who can remove the limiter and keep the original map other that mitsi?
Option 5 - forget the exhaust and just get the 3 port and re map by an evo specialist that is experienced with the 10, should be less than half the price of option 3

I'd go with option 4 personally, my X is mapped to 380, a road car only, and i've no intention of finding out if my car has a limiter or not

Stu
 
#23 ·
I agree with stu, just 3 port it, stick in an uprated air filter and get a map done. I wouldnt bother paying for the ecu licence either. Go to a mapper who can flash the ecu and bypass the lock altogether, Thats what i had done. Also never heard of the limiter on evo x's. Mine certainly didnt have one 😁

Sent from my SM-G935F using Tapatalk
 
#24 ·
So at least we have learned some things about the jap limiter and BHP 'figures' so useful thread -

Forget the 'speeding debate' yes we have all exceeded the speed limit at some point.

BUT what I personally have NEVER done in more 30+ years of driving on the UK roads is done 120mph EVER.

On a track - of course but again not 'sustained' as you tend to run out of straight bits and there are not a lot of tracks in the UK that allow you to corner at 120mph in most road cars.

I did the Millbrook high speed bowl which is a big 2 mile circle for several laps with my VI nearly maxed out indicating just under 150mph (it's delimited on import from the 112mph) So I managed to sustain that for about 3 laps and the concentration required was SO TIRING it was unreal and that is on my own with nothing else to hit including road debris. I really wouldn't even WANT to do that with anyone else near me so goodness knows what NASCAR must be like!

My point is who cares if the car can do 120mph you really are not going to use that safely on the road. :handsup:

Oh and the car wasn't all that keen on it either, even though I cooled it down on several laps when I parked it for 20 mins it decided it didn't fancy all the extra coolant I had topped it up with before the 'track' depositing it correctly out of the expansion. Then you have the heat in the tyres, etc. Car was great though no bump or compliance steer and handled smooth at speed so at least i wasn't fighting it too.
 
#25 ·
BUT what I personally have NEVER done in more 30+ years of driving on the UK roads is done 120mph EVER.

My point is who cares if the car can do 120mph you really are not going to use that safely on the road. :handsup:
I'd suggest a large dose of Autobahn driving, a real eye opener :).
Unless you driven over 160mph in Autobahn traffic you will not even come close to understanding what concentration while driving really means, no disrespect or being judgmental, simple facts :)

When you are able to do it for at least two hours non-stop (you will probably run out of fuel earlier) then you will have a very small glimpse of what endurance racing is and how much concentration drivers are required to muster.

At that point it becomes clear that it does matter if a car can reach 120mph and much more and it also very much matters how fast can it get there :)

Safe speed is not a number but drivers ability and car capability combined.
Due to appalling levels of driving training in UK most people on the roads should had never been given a driving license and 90% of them are not even able to drive safely at 60-70mph.

https://ec.europa.eu/transport/road...df/statistics/dacota/bfs2016_main_figures.pdf

This clearly shows the Motorways are the safest place to be on of all roads despite speeds are much higher than on other road types, see pages 9&10.

If you want to go for a spirited drive do it Sunday between 7-8am

Lots of other revealing data there.

http://www.erf.be/images/Statistics/ADprint-ERFSTATS2016.pdf

From all of that data it turns out that due to massive congestion on UK roads we have the safest road network in Europe lol.
 
#29 ·
I personally believe we should have different categories of driving licenses. The top categories would have much higher speed limits and would require extensive driver training, far above the levels of Police Advanced Driver Training even. This should also have a positive effect on insurance premiums, which some insurers already implement.

Mind you, I do not advocate driving on public roads at 120mph, that is not he point !
 
#33 ·
I personally believe we should have different categories of driving licenses. The top categories would have much higher speed limits and would require extensive driver training, far above the levels of Police Advanced Driver Training even. This should also have a positive effect on insurance premiums, which some insurers already implement.

Mind you, I do not advocate driving on public roads at 120mph, that is not he point !
Agreed with everything here :smthumbup
 
#32 ·
Few things don't add up.

Only Jap imports are limited to 112mph, UK cars aren't. If yours is an FQ360 it shouldn't have a speed limiter.
Do your clocks read in KPH? as when you convert it to MPH it should de-limit it.

No one really imports Evo 10's as its cheaper to buy a U.K car mainly because if you imported a Evo 10 you would have to get it IVA tested (as it's less than 10 years old) which costs quite a lot and is a pain in the ass.

It is law in Japan to limit cars to 112mph. When I was in Japan I asked a guy about the speed limiter and he said it was illegal to remove it, and this was on a Nissan GTR.

Also, if your car is in KPH you can buy a speedo converter off eBay for £35 which will remove your limiter.

If you in MPH it will have to be De-Limited through the ECU.
 
#34 ·
Replying to a lot of what has been said here would just open up argument so I won't other than to say I have access to somewhere I can drive comfortably, safely and legally in the UK at over 120mph.

I also have a report from my contacts at Mitsi stating they adjusted the limiter pre-original sale, nothing to do with Jap limits according to what I'm being told.

One thing I do think I've mis understood, the O2 housing doesn't need an upgrade to see close to 400bhp? I'm new to Evo tuning and maybe I've mis understood what I've read?

Also @midninghtE6 the Evo's definitely the car for me, I just don't want another full on project so would rather avoid opening the block for new rods etc (for now anyway). My last 2.0T was a Vauxhall Astra that made 500bhp so I'm aware of the costs involved and the reliability consequences that come with it. Just don't want that sort of hassle.
 
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