anyone running a 325/30/19 rear (997tt)
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255 in 20" is to big will hit shocks and probably rub . You have very little clearance already with 245 . who is building your wheels what offsets ? have they done this set up before ?
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Last edited by WheelB; Mar 6, 2012 at 07:54 AM.
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Why order if you don't have an answer to your last question?
WheelB ,
I bought the wheels from vivid racing , adv1 , deep concave adv07 .
20x13 and 20x9.
They gave me some sizes , but with their size the diff ratio is a little bit bigger , becouse of that I need more ideas and helps . Here is their sizes : 255-30-20 and 325-25-20
I bought the wheels from vivid racing , adv1 , deep concave adv07 .
20x13 and 20x9.
They gave me some sizes , but with their size the diff ratio is a little bit bigger , becouse of that I need more ideas and helps . Here is their sizes : 255-30-20 and 325-25-20
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WheelB ,
I bought the wheels from vivid racing , adv1 , deep concave adv07 .
20x13 and 20x9.
They gave me some sizes , but with their size the diff ratio is a little bit bigger , becouse of that I need more ideas and helps . Here is their sizes : 255-30-20 and 325-25-20
I bought the wheels from vivid racing , adv1 , deep concave adv07 .
20x13 and 20x9.
They gave me some sizes , but with their size the diff ratio is a little bit bigger , becouse of that I need more ideas and helps . Here is their sizes : 255-30-20 and 325-25-20
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Yeah - OP was asking about 19's. OEM 305/30-19 and 235/35-19 have a diameter difference of 2.8% (OK). 325/25-20 and 235/30-20 have a diameter difference of 3.2% (on the high end of acceptable) and the OP's setup of 325/30-19 matched with a 245/35-19 would have a diameter difference of 3.5% (again on the high end - I'd be worried).
(That is what I am going to have on mine, the wheels are 9x20 and 12x20 HRE P43).
All this talk in this thread has no hard data support. For example
STOCK:
235/35/19 has diameter 648mm
305/30/19 has diameter 666mm
Rear tyre is 2.777% bigger in diameter than front (666/648=1.0277(7))
AFTERMARKET:
245/30/20 has diameter 656mm
325/25/20 has diameter 670mm
Rear tyre is 2.134% bigger in diameter than front
If these calculations are the ones to do than there is no problem with those aftermarket tyres.
Is this the correct way to think?
Last edited by Peskarik; Apr 27, 2012 at 01:24 AM.
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Now I'm confused. Means I can run 325/30/19" rear; 245/35/19" front or not? So far, no problems. I just don't know if I will have long-term issues.
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Are you talking about a C2? A C2 isn't AWD and won't present the same problems...
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