Wheel Size Effecting Speed Reading

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Igors92

Member

May 25, 2005

33

0

6

Norway

May 30, 2005

#1

• May 30, 2005

• #1

Just wondering if by changing the stock wheel and tires 17X8 245/45ZR17 to 18X9 265/35/ZR18 my odometer speed will be affected and by how much?

 

MT1083

New Member

Sep 16, 2003

1,033

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Charlotte, NC

May 30, 2005

#2

• May 30, 2005

• #2

use this to figure it out...
http://www.miata.net/garage/tirecalc.html

 

wms004

Founding Member

Jan 15, 2002

2,864

2

49

Los Angeles

May 30, 2005

#3

• May 30, 2005

• #3

Igors92 said:

Just wondering if by changing the stock wheel and tires 17X8 245/45ZR17 to 18X9 265/35/ZR18 my odometer speed will be affected and by how much?

Click to expand...

265/35 is a good size for the front, but 275/35 is the size that won't affect your speedo.. thats the combo i have

wade

 

nickthegenius

Active Member

Dec 23, 2002

1,631

1

38

Elwood, IN

May 30, 2005

#4

• May 30, 2005

• #4

265/35 would be a good size for you. They shouldn't rub in the front and your speedo will only read 1.5% too fast. I'd rather have it read a bit fast than slow.

 

S

SRMobile

Trend Micro poster child

Jun 1, 2004

0

0

16

May 30, 2005

#5

• May 30, 2005

• #5

Yeah, I had the same mentality too in my last car... Then I had to get some warranty work done, but I was out of warranty!!! But in actuality I wasent.

 

4.6_02_Black_GT

Founding Member

Jul 26, 2002

622

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0

Charlotte NC

May 30, 2005

#6

• May 30, 2005

• #6

..17 inch 45 series to +1 sizing to 18 inch 35 series speedo difference is negialble...

but if you want to fix it...get a Speed Cal from Dallas Mustang..I love mine