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18" wheel size

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Old 06 December 2016, 03:48 PM
  #31  
Matty81
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Should have loads of room on your hatch for 18's mate. I've got 18's and there's tons of room left
Old 06 December 2016, 03:53 PM
  #32  
SmurfyBhoy
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Originally Posted by nikon-man
i have just purchased a set of GT1 wheels and was looking at the 17! ones already on my car and wondered how much room there was to play with...

that's why I was asking !!
Would've got ther far quicker had you says will these 18" Gt1 fit my hatch lol.

Out measuring wheels like a tit.

Yes they will fit if correct PCD etc.

Kind of thing to check before buying
Old 06 December 2016, 08:49 PM
  #33  
Uncle Creepy
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This thread is funny.
Old 07 December 2016, 11:03 AM
  #34  
The Trooper 1815
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Originally Posted by nikon-man
i have just purchased a set of GT1 wheels and was looking at the 17! ones already on my car and wondered how much room there was to play with...

that's why I was asking !!
Rule of thumb.

Increase wheel diameter, decrease tyre wall height in proportion.

BUT the PCD (the distance between the holes in the wheel hub (or the bore size)) may be different on the GT1's if they came off an Hatch STi, so will not fit.
Old 07 December 2016, 01:15 PM
  #35  
riiidaa
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look up a rolling radius calculator, when you increase the alloy size, you ideally choose a tyre profile that means the overall rolling radius is not affected too much.
Old 07 December 2016, 01:29 PM
  #36  
Ste333
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See here too, lists the wheel specs and tyre sizes with images. Although this doesn't take into account any arch work, what suspension they're on etc

http://www.rimtuck.com/search/thumbn...om=2008&sort=1
Old 07 December 2016, 02:48 PM
  #37  
The Trooper 1815
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Originally Posted by riiidaa
look up a rolling radius calculator, when you increase the alloy size, you ideally choose a tyre profile that means the overall rolling radius is not affected too much.
Which is what I said
Old 07 December 2016, 02:49 PM
  #38  
The Trooper 1815
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Originally Posted by Ste333
See here too, lists the wheel specs and tyre sizes with images. Although this doesn't take into account any arch work, what suspension they're on etc

http://www.rimtuck.com/search/thumbn...om=2008&sort=1
He as a WRX which as a different PCD and OFFSET to the WRX STi wheels shown.
Old 07 December 2016, 04:37 PM
  #39  
nikon-man
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the GT1 wheels I have ordered are the correct pcd for my hatch...

no worries on that score




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