18" wheel and tire combo help
01-20-2018, 08:12 AM
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18" wheel and tire combo help
Good morning all, I recently acquired some 18" TT II wheels with 0 offset. Does anyone know if a 245/55 18 tire will fit up front with out rubbing. Have stock suspension and no spacers. I have had one tire shop tell me they will rub on hard turns and another tell me that they will clear???
Sorry it's a 89 formula.
Sorry it's a 89 formula.
01-20-2018, 11:49 AM
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Car: 86 Trans Am, 92 Firebird
Engine: 408 sbc, 3.1L of raw power
Transmission: TKO600, T5
Axle/Gears: Moser 9", 3:70 trutac, 3:23 torsion
Re: 18" wheel and tire combo help
That's a small truck tire, 28.5" diameter. It will never work in the front. It will even be close in the rear.
You need a 245/40/18 up front on that wheel.
Both of those shops are clueless, don't go to there anymore.
You need a 245/40/18 up front on that wheel.
Both of those shops are clueless, don't go to there anymore.
01-20-2018, 12:41 PM
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Re: 18" wheel and tire combo help
K thanks, I was looking at the cooper zeon g1 tire. Wanted the tallest sidewall with the wheel due to bad roads down here in NC. i will be having a young driver in the house and didn't want a torn up tire and wheel.
01-20-2018, 06:16 PM
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Car: 86 Trans Am, 92 Firebird
Engine: 408 sbc, 3.1L of raw power
Transmission: TKO600, T5
Axle/Gears: Moser 9", 3:70 trutac, 3:23 torsion
Re: 18" wheel and tire combo help
You need a smaller diameter wheel if you want more sidewall, 25.7" tall is the stock diameter, you can squeeze a 26 in there but it will start rubbing
01-21-2018, 08:57 AM
#6
Re: 18" wheel and tire combo help
Greetings from Jamestown/High Point NC!
Where are you? -and where are there bad roads in NC?! I'm from New Jersey, so an old gravel service road is a good road to me!
I've always used this calculator. https://tiresize.com/calculator/ ....and I typically would want to stay withing 25.5" to 26" tall. Maybe run the factory 15" or 16" wheels for a year, let him (her?) put the 18"s on after they've proven themselves with the car?
Where are you? -and where are there bad roads in NC?! I'm from New Jersey, so an old gravel service road is a good road to me!I've always used this calculator. https://tiresize.com/calculator/ ....and I typically would want to stay withing 25.5" to 26" tall. Maybe run the factory 15" or 16" wheels for a year, let him (her?) put the 18"s on after they've proven themselves with the car?
01-23-2018, 10:17 AM
#7
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Re: 18" wheel and tire combo help
here's another vote for this option. It gives you more sidewall and less expensive tires. And it gives the kid a chance to learn to drive without as much worrying about the wheels.
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