19inch wheel upgrade from the 18inch Base model wheels question

Jordo! · 10-31-2012, 10:49 PM

It will work fine. You are maintaining the same overall diameter for the wheel+tire, so as far as the ECU is concerned, nothing will be different -- speed will be read the same from the speed and ABS sensors, and traction control should work normally as well. The synchro rev match should have nothing to do with it.

Nu2Nizmo's · 11-01-2012, 06:06 AM

I agree and Correct me if I'm wrong but I thought most traction device is measured through the Abs/reluctor ring. Why would the dealer tell you ur Vdc won't work if u upgrade ur wheels?

M3Lv0 · 11-02-2012, 09:19 AM

Quote:

Originally Posted by Jordo!

It will work fine. You are maintaining the same overall diameter for the wheel+tire, so as far as the ECU is concerned, nothing will be different -- speed will be read the same from the speed and ABS sensors, and traction control should work.

Based on that, the best option to keep that stock ratio are 245/40/19 and 285/35/19 ????

Alstann · 11-02-2012, 12:55 PM

Quote:

Originally Posted by M3Lv0

Based on that, the best option to keep that stock ratio are 245/40/19 and 285/35/19 ????

The width of the tire is variable - for instance, a 305/30/r19 would work fine. As long as you maintain the overall diameter by +/- 2%, you should be fine.

10-31-2012, 10:49 PM	#1 (permalink)
Jordo! A True Z Fanatic Join Date: May 2010 Location: nirvana Posts: 6,394 Drives: 2023 NATM Rep Power: 420	It will work fine. You are maintaining the same overall diameter for the wheel+tire, so as far as the ECU is concerned, nothing will be different -- speed will be read the same from the speed and ABS sensors, and traction control should work normally as well. The synchro rev match should have nothing to do with it. RandyD likes this. __________________ Enjoy it. Destroy it.

11-01-2012, 06:06 AM	#2 (permalink)
Nu2Nizmo's Base Member Join Date: Oct 2012 Location: Port Orchard Posts: 99 Drives: 09' Nismo 370Z Rep Power: 14	I agree and Correct me if I'm wrong but I thought most traction device is measured through the Abs/reluctor ring. Why would the dealer tell you ur Vdc won't work if u upgrade ur wheels? __________________ 09' PW Z34 NISMO #0432Current: F5 SR Intakes - Berk HFC - H&R 15mm Spacers - 265/305 BS RE-11's - Swift Spec R's Next mods: Oil cooler - Big Brake kit - Osiris w/dyno Last edited by Nu2Nizmo's; 11-01-2012 at 06:08 AM.

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