Wheels and Tires Discussion about wheels and tires for the S2000.
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Are these mixed tire names O.K. on my new to me S2000?

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Old 10-18-2018, 05:06 PM
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Default Are these mixed tire names O.K. on my new to me S2000?

I just got my first S2K this morning. Very Exciting!

My first tire question is this:

It came with Bridgestone Potenza's on the back and Bridgestone Turanza on the front. Both sets are in nice shape.

Is this anything to worry about? I had always heard it was best to have the same tire all the way around.

Thanks
Old 10-18-2018, 05:52 PM
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The Turanzas are more of a touring tire (mileage oriented not ultimate grip or performance) while as the Potenzas are more performance oriented depending on the Potenza version (S04, RE71R, RE980 AS).

Is this a safety concern...not really...it won’t be balanced front to rear but if you drive conservatively then it would be fine. The point is that you bought a performance car, why not put the best performance tires on it?

Personally, I’d buy matching Potenzas and then sell the new Turanzas so you at least have a matching set. This coming from someone who works in the tire industry and not for Bridgestone.

Last edited by GTflyer0116; 10-18-2018 at 05:58 PM.
Old 10-18-2018, 07:09 PM
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That is fine until you ready for a new set. Don't go out and race anyone.
Old 10-18-2018, 09:42 PM
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Probably best you have the least grippy tires on the front vs rear of this car, being a new owner. But no, not a safety issue, just wont handle as sharp as it normally would.
Old 10-19-2018, 03:19 AM
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Would this setup have anything to do with the “pogo stick bouncing” sensation I felt on some surfaces at 70 mph yesterday?
Old 10-19-2018, 04:04 AM
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Tires can sometimes 'flat spot' after sitting in a cool environment for a few days without being driven but generally the flat spot goes away after a few minutes of driving. If the tires were recently put on, it could be a balancing issue at high speed. Or last, it could simply be a loose suspension,worn out bushing, or wheel bearing going out.
Old 10-19-2018, 04:10 AM
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Originally Posted by UpNorthMN
It came with Bridgestone Potenza's on the back and Bridgestone Turanza on the front. Both sets are in nice shape.
Is this anything to worry about? I had always heard it was best to have the same tire all the way around.
I hate the way manufacturers name tires...
There are *many* quite different tires labled "Potenza" and likewise many quite different tires labeled "Turanza". For sure you have differently-performing tires on the front and back of the car, but without more info impossible to say how different they are.

What are the *specific* tires you have (Potenza RE71R?, Turanza EL400-02?)
What is your usage envelope? (possible you might need to drive in cold/snow? Track usage a possibility?)
What do you want out of tires? Max life, max wet and/or dry grip, low noise, comfort, responsiveness, etc.

Tires will have a HUGE impact on how much you enjoy the car and on safety, so it's probably worth figuring out what's best for you and if necessary getting 2 or 4 new tires.

That said if the mismatch isn't too ridic, and decently matched to usage conditions, and you are fine with them, I wouldn't worry about just using them and enjoying the drive...
Old 10-19-2018, 08:17 AM
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Originally Posted by UpNorthMN
Would this setup have anything to do with the “pogo stick bouncing” sensation I felt on some surfaces at 70 mph yesterday?
Jack the car up and check all your damper springs for factory installed rubber isolation spacers

https://www.s2ki.com/forums/s2000-ta...od-one-629997/
Old 10-19-2018, 08:55 AM
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If its me, I'd be getting a full set of new tires and a good alignment at oem specs as soon as possible. These two things combined can make a huge difference in the performance and enjoyment of the car.

While your at it check out the suspension components. Pogo stick sounds weird. Get to the bottom of that asap. I don't know if you are used to rear wheel drive sports cars, if not, be careful and drive as if you are on a motorcycle until you get used to the car. It can be a bit of a handful if you are not used to such cars.
Old 10-19-2018, 09:09 AM
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Thanks for the advice. I do come from a rear drive background, BMW's, 944's, 968's and the like. But I am going to still take it easy until I get new tires in the spring. We are down to just a few more weeks of driving before it goes into storage.

I only felt the bouncing thing on one road surface but I will look where you advise, and report back.


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