285 rear tires on SP wheels?

Auston · 05-16-2010, 10:29 PM

Quote:

Originally Posted by cossie1600

I can't speak for the Nismo, but your car will understeer even more than now if you put 285s in the back and keep 245s in the front. I have 265 in front and 285 in the rear, the car still understeers a little bit.

Ok, but what is your motivation for going with wider tires? I'm primarily
interested in straight away speed and I'm looking for an upgrade to
increase traction to the rear tires (i.e. better launch).

kevin.z · 05-16-2010, 11:34 AM

u may need up the front tires sizes as well. the most proven track setup is amuse 350z superlegga. it runs a square 275 / 275 setup. It takes almost 500hp to fully utilize 275 width tires. However, That is if u are a professional driver. However, for us amatuers, 245 to 265 front is ok, 285- 305 in the back is ok as well!

cossie1600 · 05-16-2010, 11:05 PM

lateral grip, I use my car for autox and track days mostly. I have done 3 autox so far, track day starts in July for me

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05-16-2010, 11:34 AM	#2 (permalink)
kevin.z Enthusiast Member Join Date: Oct 2009 Location: vancouver(shipping:WA Posts: 359 Drives: 09 370z M6 PGtouring Rep Power: 16	u may need up the front tires sizes as well. the most proven track setup is amuse 350z superlegga. it runs a square 275 / 275 setup. It takes almost 500hp to fully utilize 275 width tires. However, That is if u are a professional driver. However, for us amatuers, 245 to 265 front is ok, 285- 305 in the back is ok as well!

05-16-2010, 11:05 PM	#3 (permalink)
cossie1600 A True Z Fanatic Join Date: Jun 2009 Location: californee way Posts: 5,380 Drives: 370, Leaf Rep Power: 30	lateral grip, I use my car for autox and track days mostly. I have done 3 autox so far, track day starts in July for me