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Joined: Oct 2003
Posts: 1,320
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2003 Toyota Celica GT
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2003 Toyota Celica GT
Joined: Oct 2003
Posts: 1,320
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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ECelica Staff
ECelica Staff
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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

Joined: Nov 2003
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2001 Toyota Celica GT
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2001 Toyota Celica GT
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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

Joined: Jul 2003
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2002 Toyota Celica GT
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2002 Toyota Celica GT
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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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2003 Toyota Celica GT
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2003 Toyota Celica GT
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Originally Posted by DisGqBoi

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

Joined: Apr 2003
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Rebel
2003 Toyota Celica GT
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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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2000 Toyota Celica
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Ah ha, i knew there had to be an easier way!


Knowing the path and choosing the path are two different things.

Joined: May 2003
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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.

Joined: Jan 2004
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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
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Caleb
2000 Toyota Celica
Caleb
2000 Toyota Celica
Joined: Aug 2003
Posts: 6,365
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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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