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Thanks, that's nice to hear. I will get an adjustable fuel pressure regulator to the end of this month for some testing days. If it still does not feel better I will take the car to a dyno. But as this is already the fourth case I heard of, where the fuel pressure regulator did solve the problem, I ...

Having the Xedos 6 KF transmission. Well, I have to correct a bit. The other MX-3 I mentioned, that is running KLZE and same transmission and hits 240kmph is heavily tuned, Megasquirt and so on, didn't know that. So because I do not have same setup I cannot expect same performance, of course he will...

No the ECUs are definitely not chipped, maybe the Pin is disconnected inside, would be the easiest way. Unfortunately I do not have further informations regarding this. If I do remove the ECU next time, I could have a look inside. As I wrote before, I use topspeed as an indicator of overall performa...

In Germany we have the Autobahn, you forgot? So jail can wait. :D But just to explain: I am not hunting the ultimative topspeed. I am just making topspeed test, because for me, it is the best indicator to see if the performance is right. If I would just use accelleration for testing, I definately wo...

215/40 on Motec Nitro 9x17, 8.5kg weight. Should also be no problem. Drove them already on the K8, without experiencing low or even no loss of topspeed.

Well, the reason why it did not work is simple. When the engines are imported to europe, the guy who imports them already removes the speed limiter in the ecu. As I said, it would have been too simple. But thank you for your advice, because I already spent so much money on the swap, and from firat e...

Allright, just back from track. speed limiter removed, no difference. :( Used my GPS amd it's really bad. In 4th gear 195@7200rpm, 5th gear 211@6400rpm, maybe I could have pushed it 100rpm higher, but then not any further. The transmission seems not to be the problem, as I phoned the guy today, who ...

Oh, really? If that's true it would be nearly too simple. I didn't the engine swap on my own, but the one who did, did it already several times and I would definately say, that he knows what to do. I also asked him, if it could be that there is a speed limiter, but he was sure that there is no activ...

Both tested ECU should not have a speed limiter.
As far as I know, several guys use the same ECU types here in Germany and can run higher speeds.
Or did you mean the rev limiter? -The rev limiter should come at 7500rpm, so it cannot be the limiting factor.

Hi, The title tells it all. The car has a KLZE with KF transmission. Acceleration is nice, nothing to complain about. But Top speed is way too low: Running 205km/h @7200 rpm, 225km/h @ 6500 rpm. (I was able to reach same speeds with my old K8 setup) :( . It reaches these speeds without problems, but...