[Z06] Overall Wheel Size Difference - Speedo Changes Needed? Help
Aug 27, 2002 | 10:58 AM
Thread Starter
Instructor
Joined: Jun 2002
Posts: 142
Likes: 0
From: Monroe MI
Overall Wheel Size Difference - Speedo Changes Needed? Help
The stock Z06 rear wheel OD is 26.1. My new ones will be 26.8.
Do I need to change any computer settings or anything else so I don't effect the speedometer or odometer?
Is there a percentage that someone can go with any modifications to the car.
Thanks
Rachel
Aug 27, 2002 | 11:04 AM
Instructor
Joined: Mar 2001
Posts: 223
Likes: 0
Re: Overall Wheel Size Difference - Speedo Changes Needed? Help (Rachel)
Rachel,
You will be allright.....................
Good link to keep..........................
http://www.c5-corvette.com/tirecalc.htm
Aug 27, 2002 | 08:02 PM
Team Owner
Joined: Aug 2000
Posts: 24,110
Likes: 1,331
From: Spring Texas
Re: Overall Wheel Size Difference - Speedo Changes Needed? Help (Rachel)
Your speedo will be off by 2.6% (slower reading).
Revolutions per mile = 20168/(Tire Dia in inches)