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I supported Toymods
Banned User
Location:
Brisbane
Registered:
May 2002
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TA22 Factory wheel size/general wheel size questions.
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Wed, 15 September 2004 09:44
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From another thread I have this info:
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The original tyres on a TA22 are 165R13, which is an 82 series profile, overall diameter of 596mm
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Did the GT TA22 come with the same size wheels or a size larger?
Or what about the TA23 or RA23? What size wheels did these come with?
Next can someone please explain wheel size codes to me? For example 225/50R16. Ok I know the 225 is the width but is this in mm? Is this the same as the 50? I know the 16 is the rim dia 
Much thanks
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Location:
Brisbane
Registered:
February 2003
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Location:
Land of Oz
Registered:
June 2004
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Re: TA22 Factory wheel size/general wheel size questions.
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Wed, 15 September 2004 10:15
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Hi,
| Cool1 wrote on Wed, 15 September 2004 19:44 |
Did the GT TA22 come with the same size wheels or a size larger?
Or what about the TA23 or RA23? What size wheels did these come with?
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The TA22 series (ET, LT, ST and GT) came with 13inch rims. The GT may of had slightly wider tyres, but the diameter (13inch) remained the same.
The RA23/RA28 series came with 14inch wheels.
You can stick larger diameter wheels on your car, but you must keep the overall "rolling" diameter the same. That is, if you put 14inch wheels on your TA22, then you'll need to have a lower profile tyre. This ensures that your speed remains the same.
Yeah, I know what you mean about profile and all that jazz. The profile is related to the width of the tyre. For example, a 215/60 tyre has the same overall diameter as a 205/65. Hmm.. it confuses the hell outta me at times.
seeyuzz
river
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I supported Toymods
Banned User
Location:
Brisbane
Registered:
May 2002
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Re: TA22 Factory wheel size/general wheel size questions.
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Wed, 15 September 2004 10:18
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Thanks for the help. I'm just trying to figure out what wheel/tyre size combo I can go with on my TA22.
Max dia I can have is 611mm.
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Location:
Land of Oz
Registered:
June 2004
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Re: TA22 Factory wheel size/general wheel size questions.
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Wed, 15 September 2004 10:25
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Hi,
611mm eh?
13inch rims - 215/65=610mm, 235/60=612mm
14inch rims - 215/60=614mm
15inch rims - 205/55=607mm, 225/50=606mm, 235/50=616mm
16inch rims - 205/50=611mm, 225/45=609mm
That help you?
seeyuzzriver
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I supported Toymods
Banned User
Location:
Brisbane
Registered:
May 2002
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Re: TA22 Factory wheel size/general wheel size questions.
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Wed, 15 September 2004 10:31
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| river wrote on Wed, 15 September 2004 20:25 |
Hi,
611mm eh?
13inch rims - 215/65=610mm, 235/60=612mm
14inch rims - 215/60=614mm
15inch rims - 205/55=607mm, 225/50=606mm, 235/50=616mm
16inch rims - 205/50=611mm, 225/45=609mm
That help you?
seeyuzzriver
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How did you work that out? Damm Yes it helps a lot.
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Location:
Sydney
Registered:
February 2003
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Re: TA22 Factory wheel size/general wheel size questions.
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Wed, 15 September 2004 10:35
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[(aspect ratio/100)*width*2]+(wheel diameter*25.4)=circumference in mm
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Location:
Land of Oz
Registered:
June 2004
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Re: TA22 Factory wheel size/general wheel size questions.
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Wed, 15 September 2004 10:49
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Hi,
Awww, don't put up the formula - I was gonna brag at how smart I was 
Actually, I got a list of the rim/tyre sizes. I got them from the ever helpful El Presidente-Pretty Boy.
Now, as you're a whiz-bang microprocessor guru, you can wire up an old Z80 system to do it for you!
seeyuzz
river
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I supported Toymods
Banned User
Location:
Brisbane
Registered:
May 2002
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Re: TA22 Factory wheel size/general wheel size questions.
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Wed, 15 September 2004 11:10
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 Z80 hehe.
Ok ok, does anyone have any details that were on the TA22 placard? Any optional tyre size?
Cause if the tyre that was fitted to the TA22 from factory was a 165, that means the max width we can have is 214.5mm
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Location:
Brisbane
Registered:
May 2002
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Re: TA22 Factory wheel size/general wheel size questions.
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Wed, 15 September 2004 11:56
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This is my trusty link 
Cheers
Wilbo
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I supported Toymods
Banned User
Location:
Brisbane
Registered:
May 2002
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Re: TA22 Factory wheel size/general wheel size questions.
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Wed, 15 September 2004 12:07
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Cheat!!!
That is very handy.
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Location:
Melbourne
Registered:
October 2003
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Re: TA22 Factory wheel size/general wheel size questions.
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Wed, 15 September 2004 13:34
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You might find this one very helpful. September Squall sent me in the right direction.
http://www.miata.net/garage/tirecalc.html
very simple to use
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I supported Toymods
Banned User
Location:
Brisbane
Registered:
May 2002
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Re: TA22 Factory wheel size/general wheel size questions.
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Wed, 15 September 2004 13:44
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Thanks
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Location:
Brisbane
Registered:
May 2002
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Re: TA22 Factory wheel size/general wheel size questions.
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Wed, 15 September 2004 13:44
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| Cool1 wrote on Wed, 15 September 2004 22:07 |
Cheat!!!
That is very handy.
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Yeah is good ins't it! Speedo error, effective diff ratio *muah!*
All the good stuff.
Cheers
Wilbo
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Registered:
May 2002
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Re: TA22 Factory wheel size/general wheel size questions.
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Thu, 16 September 2004 03:05
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Sorry I don't know anything about the plans for this car you are trying to work out wheels for. But if it is a car that is going to be engineered at some stage (ie you are doing other mods besides wheels). Get what ever wheels you want (diameter/width) after speaking to an engineer, and have them approved and noted on your certificate.
My car came standard with 12" x 4.5" wheels (I think the width is right??), stupidly narrow tires (145's or something narrower) and this would have meant I could have barely moved up to anything significantly larger/wider.
The engineer who approved my car said any wheel tyre combo could go on as long as it didn't rub on anything, was inside the guards, kept the track width within a certain limit (can't remember how much it could differ), and the speedometer was accurate to within xx%. This engineer is a signatory in NSW and ACT and approved a whole series of mods to my car.
If you are doing the wheel tyre change and not going near an engineer please disregard everything i said
Cheers,
Shane.
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I supported Toymods
Banned User
Location:
Brisbane
Registered:
May 2002
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Re: TA22 Factory wheel size/general wheel size questions.
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Thu, 16 September 2004 03:14
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Everything on my car is modified and is being engineerd by the one person. I have spoken to him and he says this cannot be done. I have also spoken to the Transport Modification Dept and they the exact same thing.
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Registered:
May 2002
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Re: TA22 Factory wheel size/general wheel size questions.
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Thu, 16 September 2004 03:52
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Thats a pain in the a-hole then. Qld must be a bit tighter in that area than NSW and ACT.
The engineer I use approved my 16 x 7's and I know of another corolla the same model as mine that he approved with 17's. I guess I live in the lucky Territory (the good ol' ACT), our regs are still very lenient in regards to modified vehicles.
Good luck with it.
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I supported Toymods
Location:
Perth, Western Australia
Registered:
December 2002
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Re: TA22 Factory wheel size/general wheel size questions.
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Thu, 16 September 2004 09:17
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| ke382TG wrote on Thu, 16 September 2004 11:52 |
Qld must be a bit tighter in that area than NSW and ACT.
The engineer I use approved my 16 x 7's and I know of another corolla the same model as mine that he approved with 17's. I guess I live in the lucky Territory (the good ol' ACT), our regs are still very lenient in regards to modified vehicles.
Good luck with it.
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You should live in WA then, I can do just about anything here!
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