Tires for 18x9 rim..

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SlowRider

New Member

Nov 11, 2003

30

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Boca Raton, FL

Apr 5, 2004

#1

• Apr 5, 2004

• #1

Sorry for asking probably such a simple question but for an 18x9 rim, what size tire should I get? I see that the most common size is something like 275x35x18... also does it mess with the speedometer at all? I sure it will not be perfect but how much of a difference will there be..

oh... I have 97 cobra if that makes any difference...

thanks

 

Ryan02Stang

Active Member

Jun 17, 2003

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36

Arlington Heights, Illinois

Apr 5, 2004

#2

• Apr 5, 2004

• #2

you could go bigger...295/30/18...not sure how big you can go on 18's

Your speedometer will be off minimally...won't make a noticeable difference.

 

Slider

Founding Member

May 19, 2000

729

1

18

Gainesville, FL

Apr 5, 2004

#3

• Apr 5, 2004

• #3

Most people run a 275, but I have 285's and they fit perfectly.

 

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CottonBurnerz

Banned

May 10, 2003

1,554

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Drink and Drive = Teh Lose

Apr 5, 2004

#4

• Apr 5, 2004

• #4

ehh.. my current set-up (stock) are 17x8's i believe with 245/45/17

so the total height of my current tire/wheels = 220.5 (2 side walls of the tire <245*45%*2> + 431.8 (17" to mm)= 652.3 mm

I already set my speedo to match 275/35/18 with reflash

so the total of that will be 192.5 (2 side walls <275*35%*2) + 457.2 (18" to mm) = 649.7

that makes the height of the stock setup with 17" rims 2.6 mm more than 18" rims with the tires mentioned above..

Hopes that helps

 

S

SlowRider

New Member

Nov 11, 2003

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Boca Raton, FL

Apr 5, 2004

#5

• Apr 5, 2004

• #5

Cool... that helps alot... I guess I will just not worry about being off at the speedo a little ... I just didn't want to be off like 10mph or more..

also is there a way to correct for tire size on a 97? i know it is in the computer of the 99+....

 

White360RFnSwee

Founding Member

Nov 4, 2002

869

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West Palm Beach FL

Apr 5, 2004

#6

• Apr 5, 2004

• #6

245 is too skinny for a 9 inch rim..

 

Saleen Mike

Founding Member

Oct 17, 2002

824

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0

Apr 5, 2004

#7

• Apr 5, 2004

• #7

265-35-18. The 295s would be too wide of a tire.

 

Firemanz

Only you can prevent Forest Fires!

Founding Member

Dec 13, 2001

4,105

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San Antonio, TX

Apr 5, 2004

#8

• Apr 5, 2004

• #8

Are you looking for 18x9's for all four rims? 265/35's for the front and 285/35's worked well for me with my old stang. Here's a pic and all rims were 18x9's......


I already had a speedcal because of my gears, but I was able to compensate the speedometer by changing the setting on it.

Lawrence