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anyone running a 325/30/19 rear (997tt)

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  #31  
Old 03-06-2012, 07:45 AM
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Originally Posted by CarPoint
Then I am ordering 345/25/20 and 255/30/20 ? Any one with objection ?
The awd ratio is also well with these sizes , it is about 0,97 .
Do you think 345's will be too big for the fenders ?

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; 03-06-2012 at 07:54 AM.
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  #32  
Old 03-06-2012, 07:55 AM
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Originally Posted by CarPoint
Then I am ordering 345/25/20 and 255/30/20 ? Any one with objection ?
The awd ratio is also well with these sizes , it is about 0,97 .
Do you think 345's will be too big for the fenders ?
Why order if you don't have an answer to your last question?
 
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  #33  
Old 03-07-2012, 05:51 AM
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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
 
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  #34  
Old 03-07-2012, 08:20 AM
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Originally Posted by CarPoint
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
13" wide? On a 325, 12" is fine, not sure why you're opting to go with 13. Also 255 is too big in the front, you'll have steering issues. Recommend you go down to 245.
 
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  #35  
Old 04-26-2012, 07:20 PM
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so to sum it up i can run 245 35 r19 front and 325 30 r19 on my 997 turbo AWD without any Issues ....RIM size ? DIFF Issues any thing to be worried about ? ? ?
 
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  #36  
Old 04-26-2012, 07:21 PM
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P.S on OEM WHEELS 997.1 turbo wheels
 
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  #37  
Old 04-27-2012, 01:11 AM
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Originally Posted by jhbrennan
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).
So how come companies like Speedart run 245/30/20 and 325/25/20 on their cars?
(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; 04-27-2012 at 01:24 AM.
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  #38  
Old 04-27-2012, 02:08 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.

Originally Posted by DaBrat
Originally Posted by Steve K ny
DaBrat, can you confirm ? also, what is your FRONT tire size ?
Yup. Confirm. It's 325/30/19" rear. 245/35/19" front.
 
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  #39  
Old 04-27-2012, 09:00 AM
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^ yup youre 100% a-ok
245 35 19 up front 325 30 19 in the rear.
 
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  #40  
Old 04-27-2012, 10:54 PM
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Are you talking about a C2? A C2 isn't AWD and won't present the same problems...

Originally Posted by MBENZF1
I'm running 325/25/20 and 235/30/20. Car runs perfect. 50K.
 
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  #41  
Old 04-28-2012, 09:55 AM
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Originally Posted by Steve K ny
^ yup youre 100% a-ok
245 35 19 up front 325 30 19 in the rear.
Excellent! Thanks!
 
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  #42  
Old 06-03-2012, 11:44 AM
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Can I run 35's profile front and rear 19"??

Thanks
 
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  #43  
Old 06-03-2012, 12:45 PM
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Originally Posted by uaeturbo
Can I run 35's profile front and rear 19"??

Thanks
i have run
front 255/35/19
rear 325/30/19
with no problem
 
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  #44  
Old 06-03-2012, 02:45 PM
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WOULD A 325/30/19 work with a 245/35/19 (michelin pilot sport cup) on a 997tt ?[/QUOTE]

Yes that would work, no issues with the transfer case.
 
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