what size tires to buy?

Suspension and other discussion

what size tires to buy?

Postby 903SGTE » Fri Oct 22, 2004 9:30 pm

i have an st185 with the new celica 16 inch rims.what size tire should i buy,tire rack says 205/50/16 but the originals were 215.has anyone put these rims and tires on there st185?
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Postby Gary » Sun Oct 24, 2004 6:12 am

215/45/16 will be very close to stock 215/50/15
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Postby tweekgt4 » Sun Oct 24, 2004 6:15 am

225/45/16 yokohama es100 or something like that...
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Postby SuperWhite92 » Sun Oct 24, 2004 10:44 am

yep, 225/45/16. No sense in going smaller than stock. Also, I personally don't see the purpose of buying wheels unless you're at least getting bigger(wider) tires.
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Re: what size tires to buy?

Postby falken_gt4 » Sun Oct 24, 2004 1:34 pm

903SGTE wrote:i have an st185 with the new celica 16 inch rims.what size tire should i buy,tire rack says 205/50/16 but the originals were 215.has anyone put these rims and tires on there st185?


http://www.miata.net/garage/tirecalc.html

Good tyre size calculator, put in the original size then try out other sizes.

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Postby 903SGTE » Sun Oct 24, 2004 3:13 pm

tire rack is telling me that the rim size of the 2000 celica is 6.5 wide and you shouldnt put anything wider than a 205 on that rim.
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Postby SuperWhite92 » Tue Oct 26, 2004 8:25 pm

okay. I thought it was a 7" wide rim.
The stock alltrac rims are 6.5" wide, so you CAN fit a 225, but i would suspect that it would bubble around the edges.
In this new light, i would change to a 215mm wide tire.
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Postby BraveUlysses » Wed Oct 27, 2004 8:17 pm

SuperWhite92 wrote:yep, 225/45/16. No sense in going smaller than stock. Also, I personally don't see the purpose of buying wheels unless you're at least getting bigger(wider) tires.


There's a lot of reasons to get bigger wheels other than tire width. Sidewall height, size availability, tire compound and tire quality are a few.

Remember the contact patch square only changes its ratio between sides when you go to a wider tire, it doesn't actually get larger.

Furthermore, going to a wider tire with a sidewall of 45 means your gearing will be slightly taller, which will give you even slower acceleration at the gain of higher top speed.
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Postby tweekgt4 » Thu Oct 28, 2004 4:38 pm

i had 225/50/16 tires on my mr2 and swapped those tires onto my alltrac rims a long time ago without checking the ratio.

my acceleration was slower. when i put my stock alltrac rims back on, the car feelt lighter and more nimble. havng oversized tires will slow you down!

anyways, 225 will fit on a 6.5" rim. being if you get 225/45/16 tires, the sidewall will not stick that much out. i tried 50 series which was a mistake but it was free. if i were to buy a new set of tires. it would be 225/45/17. but, i had sold the set of GTS rims and bought some 17s.

i have 215/40/17 on 17x7 now but after seeing some 235/40/17 on some 17x8s, i want 235/40/17s...
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Postby SuperWhite92 » Thu Oct 28, 2004 8:18 pm

did you guys happen to see the pictures of the 225/35/17? Looks awesome, and its reaaaalllly close to stock diameter.
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