How are Falken tires?

1slow370 · 09-29-2009, 03:39 AM

Quote:

Originally Posted by JoeD

You sure about that? What's your reasoning...simply because they are on the NISMO and not the Sport?

All signals right now are pointing towards the NISMO's tires being the reason its performance trails the Sport. In every single documented aspect of performance, from acceleration, braking, and skidpad/slalom figures in independent magazine-tests to Best Motoring's lap-times on Tsukuba, the Z34 with simply the Sport package has outperformed the NISMO.

It would be one thing if some of the figures here and there were in favor of one versus the other from different tests, but no...the NISMO has consistently been behind the Sport across the board. There was even a test where the two were put head-to-head and the Sport was better in every measurable aspect (and it was the slightly heavier Touring to add insult to injury). The NISMO was even slower than a 135i, Camaro SS, and Jaguar XFR around Laguna Seca for chrissakes.

So, yeah...the Advan Sports gotta be better than the RE050As.

It's not the tires, and advan sports are in every way better than re050a's in every single review i've read about them. True the nismo blows I'm not disagreeing on that, but it's not the tires fault. The car is more susceptible to oversteer in the nismo iteration: (Taken from Edmund's)

Stiffer and Stuff
Primarily this extra speed comes courtesy of the 2009 Nissan Nismo 370Z's all-new suspension components. Front and rear spring rates are up 15 and 10 percent, respectively. The front antiroll bar is 15 percent stiffer and the rear one is 50 percent stiffer. Front damping is increased 40 percent while rear damping is increased 140 percent. The combination yields a 15 percent increase in overall roll stiffness, the Nissan engineer tells us, making the already flat-cornering Z corner even more, well, flat.

Wider rear tires don't hurt, either. The 245/40ZR19 front and 275/35ZR19 rear Bridgestone Potenza RE050A tires of the standard 370Z with Sport package have been replaced with 245/40ZR19 front and 285/35ZR19 rear Yokohama Advan Sport tires. The stickier rubber is mounted on forged-aluminum Rays wheels (19-by-9.5 inches front and 19-by-10.5 inches rear) with rims that are a half inch wider than the stock Z's wheels.

They screwed up the balance the stock version has by stiffening up the light rear more than the front.

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