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Kirkham Motorsports

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  #1 (permalink)  
Old 02-08-2016, 01:22 PM
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Default What size tyres do people run

Hi all,

I have purchased a set of team 3 AC III rims which I am waiting on delivery. I have 17 x 7 front and 17 x 9.5 rear. Just wondering what size tyres people are running on similar rims sizes, and what recommendations you all have for tyres in general. The car is used only for road no track work as yet.

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Old 02-08-2016, 02:51 PM
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Its a bit hard to find anything but 235/45R17 front and 275/40R17 rear. Would be the most popular 17" sizes. I think my wheels are 8" and 9.5" and this is what I have.
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Old 02-08-2016, 02:56 PM
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I ran 275's on my Team 3 9.5 rears. Fitted nicely, I ended up removing my Team 3 wheels. The 9.5's have a welded on bead on inside of the rims which seemed fine for street but not track load IMHO. They grind and polish the weld down (initially I thought the rim had a crack all the way round. Anyways not bashing Team 3 just letting you know my experience
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Old 02-08-2016, 03:11 PM
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245/45 on 17x8 Fronts
285/40 on 17x10 Rear

cheers
Dave
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Old 02-08-2016, 05:10 PM
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245/45 on 17x9 Fronts
315/35 on 17x10.5 Rear

cheers
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Old 02-08-2016, 05:20 PM
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Not really relevant but my 17's I run
275/40 on 10 inch front
335/35 on 12 inch rear

Use this https://tiresize.com/tyre-size-calculator/ it helps a lot with profiles etc

Most guys on cobras run a .05 smaller aspect ratio in the rear relevant to width.

Last edited by spookypt; 02-08-2016 at 05:22 PM..
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Old 02-08-2016, 06:38 PM
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245/40 on 8"
275/40 on 10"
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Old 02-08-2016, 07:48 PM
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275 or 285 is about as wide as you would want on a 9.5 inch rim. I've seen a 315 installed on one and the bead looked really pulled in. 11 inch is the ideal for a 315.

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Old 02-08-2016, 09:44 PM
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245x45zrx17 " front on 17x8.5
275x40zrx17 " rear on 17x10
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Old 02-08-2016, 10:17 PM
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Andrew if you ever get around to running the proper size wheels and tyres, I have 255/60X15s on eight inch front rims and 295/50X15s on ten inch rears.
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Old 02-09-2016, 12:40 AM
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245 fronts on 8" rims
285 rears on 9.5" rims
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Old 02-09-2016, 03:22 AM
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Street
17x8 - 245
17x9.5 - 275

Track
18x9.5 - 235
18x11 - 285

Wider rim than tyre stretches the tread and in my experience gave more grip...

Just my 2c worth.
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Old 02-11-2016, 05:45 PM
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Hi all,

Thanks for you input so looks like 275 or 285 is the go for the rear. The guys that are running the 285 on 17" rims where did you get your tyres from and what are they? I have done some looking and haven't been able to find any tyres other than a P zero in 285/40/17. At $450 odd a tyre probably just a bit out of the budget.

Cheers

Andrew
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Old 02-11-2016, 06:02 PM
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Nitto NT05 275/40ZR17 98W
Nitto 275 40R17 98W NT05 Tyre Passenger | eBay
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Old 02-11-2016, 06:51 PM
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285 / 17 is a listed size in KU36, but good luck finding them. I think DaveW got the last ones in Australia!
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Old 02-12-2016, 02:11 AM
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I think Michaels Tyre House may still have KU36 285/40ZR17 according to their web site. Price has gone up $100 ea.
There was 8 left when i bought mine down from QLD.


285/40R17 KUMHO KU36 SR

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Old 02-12-2016, 07:22 PM
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I have rims that are 17 x 8.5 on the front and 10.5 on the rear.

On those rims I run front is 245/45 and the rear is 315/35.

Tyres are kumho KU36.
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Old 02-13-2016, 12:13 AM
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I have 285 40 17 KU36's
There where plenty in stock last September.
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Old 02-14-2016, 06:16 PM
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This might help you....

Tyre Size for Rim Size/Width Calculator - What's the best tyre size for my rim?

Cheers,
Warren
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Old 02-14-2016, 08:27 PM
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Quote:
Originally Posted by Jethrow View Post
245/45 on 17x9 Fronts
315/35 on 17x10.5 Rear

cheers
Same as Jethrow.
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