[Z06] Question about 18x9.5 Front and 18X10.5 Rear ?
06-12-2008, 08:37 AM
#1
Instructor
Thread Starter
Question about 18x9.5 Front and 18X10.5 Rear ?
I am planning to run 18"x9.5" wheels front and stock 18"x10.5" rear.
Did any one had proble with that, TCS or ABS problems?
Some say the PCM Will read that the front wheels are running slower than the rear !
Is that true ?
Did any one had proble with that, TCS or ABS problems?
Some say the PCM Will read that the front wheels are running slower than the rear !
Is that true ?
Last edited by Moonder; 06-12-2008 at 08:46 AM.
06-12-2008, 08:58 AM
#2
Dogface
Member Since: Jul 2004
Location: At the Beach, FL
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St. Jude Donor '15, '17
As long as you keep the OD to 25.4(original front tire size) or as close to this as possible you will not have any issues. A 275/35/18 is pretty close. Check Tire Rack's spec charts for the sizes and OD's. Don
Last edited by dwjz06; 06-12-2008 at 09:01 AM.
06-12-2008, 12:08 PM
#3
Melting Slicks
Yeah..its not the size of the wheel that brings problems (Im running 18X11's in teh rear) its the OD size of the rubber you wrap the wheels in...dwjz06 hit it right on the head
06-12-2008, 02:00 PM
#4
Tech Contributor
Member Since: Oct 1999
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Also the PCM doesn't do anything with wheel speeds. The EBCM makes all wheel speed decisions so if you screw up on tire diameters you cannot program your way out of the problem you have to replace at least 2 tires.
Bill
Bill
06-13-2008, 01:38 AM
#6
Le Mans Master
You won't have any problems. I run 18x10 fronts with 265/35's. That is the same diameter as stock 17" wheel/tire combo. I checked very carefully. I run 295/35 x 18" on 11" rims in the rear to prevent any issues. Never have I had any problems.
06-14-2008, 09:03 AM
#7
Instructor
Thread Starter
Thanks guys, i mad some serch and here is some info i found:
Now i am running 305/35/18 nitto 555R II and planning to put 285/35/18 Nitto555 Front.
Stock Goodyear eagle F1 tires
Tire Size Overall Diameter Tread Width
Front F1 265/40/17 25.4" 10.7"
Rear F1 295/35/18 26.1" 11.7"
New Nitto tires:
Tire Size Overall Diameter Tread Width
Front Nitto 555 285/35/18 25.59" 11.3"
Rear Nitto 555RII 305/35/18 26.30" 12.48"
The front tires diameter has been increased by 0.19" from stock and the rear by 0.20".
Now i am running 305/35/18 nitto 555R II and planning to put 285/35/18 Nitto555 Front.
Stock Goodyear eagle F1 tires
Tire Size Overall Diameter Tread Width
Front F1 265/40/17 25.4" 10.7"
Rear F1 295/35/18 26.1" 11.7"
New Nitto tires:
Tire Size Overall Diameter Tread Width
Front Nitto 555 285/35/18 25.59" 11.3"
Rear Nitto 555RII 305/35/18 26.30" 12.48"
The front tires diameter has been increased by 0.19" from stock and the rear by 0.20".
Last edited by Moonder; 06-14-2008 at 11:22 AM.
