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911 4S stepped down to 18” wheels from factory 19”

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Old Sep 30, 2018 | 12:17 PM
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911 4S stepped down to 18” wheels from factory 19”

None

 

Last edited by Targa4sg550; Dec 23, 2019 at 01:17 AM.
Old Sep 30, 2018 | 03:25 PM
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Old Sep 30, 2018 | 03:45 PM
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They are very lightweight. Feels faster and slows down faster.
 
Old Sep 30, 2018 | 09:40 PM
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What is your tire size? The overall diameter looks too small, may be an optical illusion though...
 
Old Sep 30, 2018 | 10:30 PM
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Nope you are right. Diameter is smaller and miles go on faster then normal 😂
 
Old Sep 30, 2018 | 11:40 PM
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Originally Posted by preelude
What is your tire size? The overall diameter looks too small, may be an optical illusion though...
I agree. Looks a bit "off". Like about a 3" gap between rear tire and fender.
 
Old Oct 1, 2018 | 05:09 AM
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Unless the photo is taken with the car on an angle, something is strange as the rear wheel and tire actually look smaller than the front wheel and tire. Does the other side have the same look to it?
 
Old Oct 1, 2018 | 10:15 AM
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Originally Posted by Targa4sg550
Nope you are right. Diameter is smaller and miles go on faster then normal 😂
That explains why the car feels faster too... you basically changed your final drive ratio. What is the tire size?
 
Old Oct 1, 2018 | 03:17 PM
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The aspect ratio looks off on the above photo of the 18s wheels. If they are shorter than 40 series that may be it. Those gaps are similar to my base Carrera which sits higher than the S.
 

Last edited by jq911; Oct 1, 2018 at 03:22 PM.
Old Oct 2, 2018 | 06:20 PM
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Rears 285 and fronts 235. My 4S came with factory rear 305.
 
Old Oct 2, 2018 | 06:32 PM
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Originally Posted by Targa4sg550
Rears 285 and fronts 235. My 4S came with factory rear 305.
are they 235/40 and 285/40?
 
Old Oct 2, 2018 | 11:57 PM
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Rears are 35 series
 
Old Oct 3, 2018 | 12:25 PM
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Factory 18" wheels exist. From a 997.1 owner's manual, here's the specs:


 
Old Oct 3, 2018 | 10:33 PM
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Ahh that makes sense. 40 series in the rear would definitely fill up the wheel well a little more. So used to half step down in side wall series when buying rear tires.
 
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