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lolzz

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Posts posted by lolzz

  1. Yes, it's a track day :)

     

    Next Grobnik Track Day - Sunday 29.03.2015. 10-17h!!!

    Time Table:

    09:30 briefing with drivers!!!

    10:00 Open pit lane start

    13:00 Start Race 1

    13:30 Start Race 2

    13:50 Open pit lane

    17:00 Open pit lane finish

     

    Track Day Price:

    100€/760Kn - Payment until 16.03.

    120€/910Kn - Payment until 23.03.

    150€/1.150Kn - Payment 29.03.

    Lap timing 15€/115Kn

     

    I hope I will make it, I already paid...

  2. Nice work!

     

    Well they look ok. How will they handle I don't know. But I did today 400 km of twisty roads car is behaving nicely no sound or any issues what so ever. So for now all is good plus they come also with energy suspension polyurethane bushings. I bought it in States. Concept Z performance

    Repeat the trip and come join us on Grobnik on Sunday :D
  3. No problem straight swap, a lot lighter than the OEM too.

    I had an issue as it ended up an inch shorter than the standard y pipe. For the price its not bad and I haven't heard any others with problems.

    I swapped mine today (been driving around with no y pipe for last three days, whole car rattles, but you get free foot massage), fitment no issues, but 1 or 2 cm shorter as well. Didn't really affect that much.

     

    I was asking because in all the threads where someone was asking about japspeed, the answers were to stay away due to poor build quality and fitment. Interesting though, I didn't see any negative feedback from people who bought and installed it.

  4. +1.

     

     

    I understand how traction control could intervene due to (no) difference in tire circumference, I just don't get why some people have problem with that and some don't. Could it be Z's are programmed differently? That would be odd..

  5. If you were thinking just of putting the LED bulb in, don't do it.

    Parabolas were not designed for them and will not work properly. Throw, light distribution and visibility are rubbish.

  6. Personally I'd prefer to look at the whole tyre and the capabilities rather than just one tiny part of it, but each to their own. Overall though the ADAC test proves those tyres to be very poor, hence the 17/19 placing.

     

    As always though, as long as you've done your research and are happy with your choice, that's all that matters. :)

    Actually I don't disagree.

     

    No problem, we can look at the whole tyre, but lets focus to all capabilities in dry and wet, because noise, fuel consumption and wear do not directly relate to road safety which we are talking about.

    Dry road: 2.0

    Wet: 2.3

     

    That places N8000 before Semperit which is in 7th place. So 7th out of 19.

     

    If poor results are mainly due to excessive wear and not due to being unsafe, then it is the least of my concerns as I will be probably changing tyres after 4 years because of the age, with enough of the thread left.

    On the other hand, somebody else who spends a lot of time in his car (maybe even different, more comfortable car) might be mainly focused that the tire lasts long and that its quiet and so on..

     

     

    So as I said, I know these tyres are not the best if we are looking at the whole package, but considering just the safety, according to adac, they are not bad either.

    • Like 1
  7. *EDIT* Wait, I found it, I think! On the individual tyre page when you click on it from that list, the scores are in the corner, correct? Nass is wet in German, so I used the N8000 figure of 2.3 as a point of reference. They don't give meterage, just a decimal figure (comparison number?). Contis, Michelins and Uniroyals scored better than the N8000, as I believe the smaller number to be better.

    You are correct, but these are not scores for braking only, but for all tyre properties in dry/wet. For braking scores you can see below Trocken-Bremsen: 1.3 and Nass-Bremsen: 2.0.

     

    I'm not saying that this tyre is better or as good as the others, but for me, braking is the most important part as you probably need it the most in critical situations, so if they cope well here, they're good enough for me. I don't care that much about noise and wear, also not that crazy about sideways grip. If I ever lose grip, they will go well with the sticker on my car "less traction more action" :)

    But I didn't have any problem so far, they are not bad at all..

  8. If changing from 255/45/18 to 255/40/18 your speedo would be reading 60 when you would be actually going 57,77mph.

    Its 3,7% difference in circumference, more than 3% is not advisable.

     

     

     

    (However, going from 245/45/18 which is standard for Zed, to 255/40/18, its 2,4% difference, which should theoretically be ok.

    275/40/18 would be spot on - 0,1%, but then you lose slimmer sidewall.)

     

     

     

     

     

    Edit: Slimmer sidewalls might look good, but you also increase arch gap and together you don't gain much..

  9. Your call.

     

    My only comment would be that you need to account for the unexpected, not the mundane. You may drive like Doris, however not everyone does and if it takes you an extra 30m to stop at 70mph, that could be the difference between not ploughing into the idiot in front and demolishing both cars. Or the tyre not coping with wear very well and you needing to change twice as often.

     

    There is a reason those tyres are cheap, though.

    I'm sorry to post in an old thread, but I have to reply to this as this was also my main concern when buying tyres.

    The N8000 are great at stopping, actually better than most other tyres. At the test concluded by ADAC last year they were just as good as Continental ContiSportContact5, Michelin PilotSport3 and Bridgestone Potenza S001 for braking in dry and scored the best in whole test for braking in wet (better than Goodyear F1, Dunlop Sport, Pirelli, ...).

    These are quite impressive results and helped me bias towards buying this brand. Cheaper price is due to not reputable company name, excessive wear and noise. If you take that into account and don't care, it's not that bad choice :)

  10. If it's an early model I.e. not a rev up just crawl under and grease the slave cylinder as it's on the outside of the gearbox (05/06+ have them inside) just pull the rubber sleeve back and stick some on it. Mine happens when it's wet as the water runs down my engine(carbon vents bonnet) and into the slave causing the grease to wash away and I get that horrible squeak. If that doesn't work zmanalex/clarkmotorsports will get you a new one =)

    So there's no quick fix for the rev-up model? :)
  11. Anti roll kit front and rear

     

    Which one did you take and where from?

     

     

    I will need a lot of help mostly to guide me where I can get aftermarket parts as in Croatia there is not much of Z which means parts are not easy to get.

    I'm currently looking to purchase the antiroll bar and I'm having a similar problem :)

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