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Joined: Oct 2003
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qbanprepster21
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qbanprepster21 Feb 12, 2:15pm - #102241 
2003 Liquid Silver Toyota Celica GT
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2003 Toyota Celica GT

Joined: Oct 2003
Posts: 1,320
Virginia
Aftermarket Tires and Speedometer

If i were to buy 17's or 18's, do i have to retune my speedmoter to match the right speed, or the odomoeter to match how many miles and revolutions the tire is actually doing, and who can do this too?

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RicePowered
ECelica Staff
RicePowered Feb 12, 2:36pm - #102242 
ECelica Staff

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Posts: 2,677
South Jersey
don't waste your time ... your speedo is not gonna be that off. Just stay around a stock overall diameter and you will be fine grin
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celicaboy
Senior Member
celicaboy Feb 12, 3:53pm - #102243 

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2001 Toyota Celica GT

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Posts: 734
OWENSBORO, KY
yea but i just bought some 17's and i need to know what size of a tire i need to buy so that my speedometer doesnt get screwed up, i bought the ADR DV-8 rims they are 17x7, 35 offset, 5/100 wheel
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slik_gts
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slik_gts Feb 12, 4:57pm - #102244 

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2002 Toyota Celica GT

Joined: Jul 2003
Posts: 226
Michigan, USA
i think someone here once told me that 17s with a 45 profile tire is the same diameter as the stock. someone correct me if i'm wrong. w/ 45 profile ur speedo should not be thrown off. thumbsup

slik
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DisGqBoi
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DisGqBoi Feb 12, 10:48pm - #102245 
2003 Carbon Blue Toyota Celica GT
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2003 Toyota Celica GT

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Hilton Head, SC

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CeLlYgT04
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CeLlYgT04 Feb 12, 11:02pm - #102246 

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Orange County, Ca
Originally Posted by DisGqBoi


Thank you, I was going to post that if no one else did!
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Evan
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Evan Feb 13, 6:28am - #102247 

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2003 Toyota Celica GT

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Posts: 4,658
Washington
Originally Posted by CeLlYgT04
Originally Posted by DisGqBoi


Thank you, I was going to post that if no one else did!


Looks like you guys beat me to it laughsilly Handy, isn't it? smile

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Eyger
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Eyger Feb 13, 10:18am - #102248 

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2000 Toyota Celica

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California
Ah ha, i knew there had to be an easier way!

Knowing the path and choosing the path are two different things.
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Smartie
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Smartie Feb 13, 10:25am - #102249 

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Posts: 32
Lethbridge, Alberta
Chances are that if you do need to change your speedo the tire shop will do it for you. If not pretty much any garage or your dealership can do it.
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CeLlYgT04
Specialist
CeLlYgT04 Feb 13, 5:06pm - #102250 

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Orange County, Ca
Originally Posted by Evan
Originally Posted by CeLlYgT04
Originally Posted by DisGqBoi


Thank you, I was going to post that if no one else did!


Looks like you guys beat me to it laughsilly Handy, isn't it? smile


Yea, it's pretty neat that someone already did all the hard work for us laughsilly
Joined: Aug 2003
Posts: 6,372
Speed4TheNeed
Caleb
Speed4TheNeed Feb 13, 6:12pm - #102251 

Caleb
2000 Toyota Celica

Joined: Aug 2003
Posts: 6,372
New Orleans, LA
your speedo is really only going to be off in speeds OVER 100mph.

however, the closer you get your oerall tire & wheel diameter to match the overall diameter of the stock wheel & tire the better.

bigger than stock diameter = faster than what your speedo says

smaller than stock diameter = slower than what your speedo says
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