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I supported Toymods
Location:
Perth, Western Australia
Registered:
December 2002
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ST185 GT4 Celica Tyre Sizings
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Sat, 30 July 2005 14:30
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I'm toying with the idea of stepping up the tyre's rolling diameter for my ST185 to the later model ST205 size of 621.4mm (215/50/16). I realise there are factors such as offset and vehicle height to consider, but has anyone also stepped up the size on their tyre size and what were the effects as far as rubbing on the body or suspension were concerned? My main reason for wanting to do this is the interchangability it will give me between about 5 sets of rims for either of my GT4's, and the availability of better tyre sizes to suit my application.
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I Supported Toymods
Location:
Sydney
Registered:
December 2002
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Re: ST185 GT4 Celica Tyre Sizings
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Sun, 31 July 2005 05:12
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Stock ST185 tyres are 215/50-15 I believe.
I have run 215/40-17's and 215/45-17's with no probs.
I only ran the 215/45-17's very short term as they are a considerably larger rolling diameter than standard.
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Location:
Brisbane
Registered:
May 2004
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Re: ST185 GT4 Celica Tyre Sizings
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Sun, 31 July 2005 11:06
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Clint...in Canberra, there's a guy running an ST185 Group A with the ST205 16" standard wheels...apart from the normal 185 offset issues, they fit fine. I don't think he's even reported too many speedo issues either, although I haven't quizzed him.
Car looks reasonable in my opinion...factory wheels look good.
M
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Location:
Melbourne
Registered:
February 2005
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Re: ST185 GT4 Celica Tyre Sizings
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Mon, 01 August 2005 01:05
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hi guys i'm buying 16x6.5" wheels for my gt4.
i'm going to need to go shopping for tyres also.
what do you guys recommend? what brands and sizes should i be looking at?
or should i just ask the dealer? 
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Location:
Canberra
Registered:
June 2003
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Re: ST185 GT4 Celica Tyre Sizings
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Mon, 01 August 2005 04:35
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I have run as large as 17x235x40 with no rubbing issues..gotta get that offset right though.
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I supported Toymods
Location:
Perth, Western Australia
Registered:
December 2002
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Re: ST185 GT4 Celica Tyre Sizings
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Mon, 01 August 2005 04:49
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What about in 18's Justen? Also, what sizes have you run on the rear?
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Location:
Canberra
Registered:
June 2003
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Re: ST185 GT4 Celica Tyre Sizings
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Mon, 01 August 2005 05:02
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235's fit easy in 18x35 for the fronts and i currently have 255x30 on the rear no probs
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Location:
Sydney
Registered:
September 2004
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Re: ST185 GT4 Celica Tyre Sizings
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Mon, 01 August 2005 09:20
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I run 225/40/18's all around and have no problems...
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Location:
Canberra ACT
Registered:
November 2002
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Location:
Newcastle
Registered:
June 2004
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Re: ST185 GT4 Celica Tyre Sizings
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Mon, 15 August 2005 05:17
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| Matty P wrote on Mon, 15 August 2005 13:20 |
Does anyone know what the correct offset for the ST185 is?
I am looking at a set of 17" x 7" for my Group A. Assume that 245/40/17 would be the correct tyre size?
BlackGT4 - the question about the best tyres is a bit like "How long is a piece of string?" It really depends on how much you want to spend and what sort of characteristics you are looking for in your tyres (eg. dry grip, wet grip, quietness, long life, ride quality). The tyre shops should be able to advise you but you need to be wary of their 'brand loyalty' - you would probably want to ask a few different dealers.
*edit* Forget my first question guys - I found the info.
5x100pcd with 38mm offset.
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245/40/R17 might be pushin it for diameter on the fronts depends what offset u get though. My rims have 215/40/R17 and scrubs sometimes (my suspesion is gettin pretty old though) but they have a bit of dish on them.
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Location:
Canberra ACT
Registered:
November 2002
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Re: ST185 GT4 Celica Tyre Sizings
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Mon, 15 August 2005 05:37
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| WantaTurbo wrote on Mon, 15 August 2005 15:17 |
245/40/R17 might be pushin it for diameter on the fronts depends what offset u get though. My rims have 215/40/R17 and scrubs sometimes (my suspesion is gettin pretty old though) but they have a bit of dish on them.
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Do you know what offset your wheels are? 215mm is pretty narrow to be scrubbing!
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Location:
Newcastle
Registered:
June 2004
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Re: ST185 GT4 Celica Tyre Sizings
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Mon, 15 August 2005 06:11
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Yeah tell me about it  Not sure what the offset is though ? is there a standard spot on wheels where it tells u the offset ? Also it only scrubs because the front springs bounce because of shit suspension and its only the front rear have heaps of room.
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