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What size tires can I fit?

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Old 09-27-2007, 02:32 PM
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MustangBatman1
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Default What size tires can I fit?

I'm likely going with these shelby replicas powder coated black: http://cgi.ebay.com/ebaymotors/Shelb...QQcmdZViewItem

I like the way 18's look with a nice sidewall but I really know nothing when it comes to how they're sized. The wheels are 18x9 and 18x10 and I have previously dropped my car 2" front and rear. What do you guys think is the max sidewall and tire size I can fit without having rubbing issues? I wish I could test fit things like this but like all the tire stores say, you mount em' you buy em'.
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Old 09-27-2007, 02:45 PM
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ODDYSEY
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Default RE: What size tires can I fit?



Poweder coated black may look good.
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Old 09-27-2007, 02:50 PM
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BLD06GTVert
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Default RE: What size tires can I fit?

It's more about offset and keeping the OD as close to OE spec as possible.

With the correct offset (which those probably have), they will keepmost tires inside the wheel arches.

Look up your original tires on the web and get the OD (overall diameter) for them. They will be somewhere in the vicinity of 27" or so. Then choose the tire brand and model that you like and find the tire that is as close to the same OD as possible.

For example: My car came with 18" Fanblades with BFG KDWS tires in 235/50/18's. The OD on those is 27.2". When I upgraded to 20" rims, I got Toyo proxes 4's in 255/35/20 and 295/30/20's. These have an OD of 27.0 and 26.9 inches, respectively...pretty darned close to OE.

Since those wheels are probably built to the same offset as the stock GT500 wheel, my guess is that something like 255/45/18 fronts and 275 or 285/45/18's in the rear are about right.

You probably know this, but just in case, the numbers on the tires read like this:

Tire width / aspect ration (sidewall height to width) / wheel diameter.

Hope that helps a little

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Old 09-27-2007, 03:10 PM
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MustangBatman1
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Default RE: What size tires can I fit?

ORIGINAL: BLD06GTVert

It's more about offset and keeping the OD as close to OE spec as possible.

With the correct offset (which those probably have), they will keepmost tires inside the wheel arches.

Look up your original tires on the web and get the OD (overall diameter) for them. They will be somewhere in the vicinity of 27" or so. Then choose the tire brand and model that you like and find the tire that is as close to the same OD as possible.

For example: My car came with 18" Fanblades with BFG KDWS tires in 235/50/18's. The OD on those is 27.2". When I upgraded to 20" rims, I got Toyo proxes 4's in 255/35/20 and 295/30/20's. These have an OD of 27.0 and 26.9 inches, respectively...pretty darned close to OE.

Since those wheels are probably built to the same offset as the stock GT500 wheel, my guess is that something like 255/45/18 fronts and 275 or 285/45/18's in the rear are about right.

You probably know this, but just in case, the numbers on the tires read like this:

Tire width / aspect ration (sidewall height to width) / wheel diameter.

Hope that helps a little

Thanks for the info, I have a but of space to play with so I'm sure I can go larger. Just a matter of measuring and seeing how much larger I can go.
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Old 09-27-2007, 03:16 PM
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Nuke
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Default RE: What size tires can I fit?

http://www.1010tires.com/tiresizecalculator.asp

Put in your stock tires size and new tire size and it'll flag when you go to an OD more than 3% (or something like that) from stock.

Rick
[sm=smiley34.gif]
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Old 09-27-2007, 03:25 PM
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torch red
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Default RE: What size tires can I fit?

I strongly recommend you dont go to small on the side wall..

255/45 front 285/40 rear is perfect and gets u as close as possible to stock diameter..
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Old 09-27-2007, 03:36 PM
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MustangBatman1
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Default RE: What size tires can I fit?

ORIGINAL: torch red

I strongly recommend you dont go to small on the side wall..

255/45 front 285/40 rear is perfect and gets u as close as possible to stock diameter..
Actually what I was saying is that I want one a little bigger. I have extra space that I want to fill in the rear so I was going for rear tires a little lager that stock in diameter.

ORIGINAL: Nuke

http://www.1010tires.com/tiresizecalculator.asp

Put in your stock tires size and new tire size and it'll flag when you go to an OD more than 3% (or something like that) from stock.

Rick
It's funny you pointed that site out because I just found it myself a couple minutes ago, been playing with it since.
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