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Go Back   Australian Ford Forums > Ford Australia Vehicles > Small and Mid Sized Cars > Fiesta, Festiva and Ka

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Old 19-08-2020, 11:36 AM   #1
Crazy Dazz
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Join Date: Feb 2008
Location: Perth, Northern Suburbs
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Default Bigger Tyres for WQ XR4

I need to put some new tyres on the XR4...

The rims are 17" x 7"

The standards are 205/40's.
The combination of the big rims and low profile means there is very little rubber between the rims and road, and even less between rims and kerb.

I was think about going to 215/45's, but I'm worried about the clearances.

Is there any way of finding out what the Scrub Radius is?
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Old 22-10-2020, 02:51 PM   #2
Tom2
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Default Re: Bigger Tyres for WQ XR4

miata tyrer size calculator
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Old 28-11-2020, 09:03 PM   #3
ernie1
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Default Re: Bigger Tyres for WQ XR4

When I acquired my XR4 a bit over a year ago it had 215/45's on it.
It had trashed both guard liners.
205/40 fixed it.
Scrub radius has nothing to do with it.
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Old 06-06-2021, 08:47 PM   #4
Crazy Dazz
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Default Re: Bigger Tyres for WQ XR4

ended up going for some Bridgestone 215/40s.
Seems to be plenty of clearance, and the little bit of extra meat is nice. Car seems to handle it ok.
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