Slip signal on high RPM
 

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After my Z recently got a new set of Ventus V12 EVO2 installed on its four wheels, now I often see an yellow slip sign at high RPM above 6,000~7,000 on freeway.

Before this set I've run with Michelin PSS (2 times of full set) and I do not think I saw this yellow sign with them in the same situation. It has not rained here pretty for a while, so I'm sure that I drove on dry roads.

Is this common and normal on other Zs with non-PSS tires ? or do I need new better ones.. ?? Personally I do not even expect Ventus to go like the PSS, but just am worried about this that it might be dangerous. :eek:

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If the light is coming on during hard acceleration, check the level in the brake fluid reservoir. Several threads on this.

Oh thanks. let me get it checked soon ^^

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It's not something you "get checked". Just look the next time you get in your car.

:iagree:

It is very easy to open the hood and remove the plastic cover to view the reservoir. Make sure the brake fluid is filled to the max line. If not, just top it off as this is likely your culprit.

Unfortunately V12's are NOT really performance tires.

They have crappy traction and are just popular because they are a cheaper alternative to RE050's replacement tires.

They're meant for dd and some occasional spirited driving not more than that.

It is UHP: Ultra High Performance tire

on internet :eek:

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Uhp is lower than Max Performance, which is what the SO4 and PSS is rated. It's pretty much the lowest tier of high performance summer tires.

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Ventus V12 EVO2 is max performance summer tire at tirerack.com :eek:

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It still isn't a very good tire. I have driven a few of my friends cars with them and have not been impressed.

Is it bad for daily driving, too ??

I mean, when driving at average speed on local/freeway.

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No its more than fine for that and the occasional spirited run through a back road. There are just better options when it comes to performance.

Only time I enjoy my spirited driving is when I enter to the freeway from local by my own zero to sixty. Except that, I usually drive pretty safe.

Until now I've used two times of full PSS set, but I don't think I really need that expensive one.

:o

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V12s suck for performance IMO. As one of the few tires I've actually driven on a Z on a track :twocents:

Then why did you bring up uhp in your previous post?

I checked it, and it is okay ^^

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Is it above the full line, or at the full line? It needs to be a bit over full.

On somewhere else I saw it was on UHP class.

.. Sorry actually I did not sleep last night at all. I have no idea for what exactly I've posted.

But I'm sure I still love you and my Z.

hahaha

:eek: :eek: :eek:

peace

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Then it may be a wheel speed sensor or wiring (assuming the tires are not actually slipping).

FSM will have more info.

a bit over full ^^

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So if the fluid level is ok, then it's something else. Can you feel the tires losing traction, or is it just the light popping up?

just the light popping up. ^^

Just before I talked to a dealership staff, and he said he cannot know exactly why this happens because I am their first customer who put V12 EVO2 to 370Z.

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If the light is coming on and the tires aren't breaking traction it's not the tires.

The staff suggested me to get the code checked, but I did not.

One day before the new tire installation, I got a maintenance without problem. (new front/rear brake pad installed)

I don't know what to do :eek:

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It may be the lubricant to release the molds on the new tires and when you floor it the sensors are going crazy causing the slip light. Give it a couple hundred miles to wear off and you should be good.

Now it has been around 500 miles after getting new tires installed. ^^

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Wow!!! Your slip signal is way bigger then mine.

I could not take a photo of the warning signal on that high speed/acceleration. ^^

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Also if your brake fluid is low there is a reason ....do not top off brake fluid ...check your pads front and rear they are probably low if the fluid is low. Or you have a leak

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Just before the day of getting new tires installed, I also got new front/rear brake pads at maintenance. I believe they should be okay.

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Yesterday night, I found out that this V12 EVO2 has better wet grip than dry one.

I tried full RPM at high speed on freeway (as like the same situation mentioned at my original post) after it had rained, and obviously it showed less slip warning signals.

Interesting .. ^^

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