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Wheel, Offset, Narrow Body vs. Widebody

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Old 12-12-2021, 07:34 AM
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howardchen416
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Question Wheel, Offset, Narrow Body vs. Widebody

Hi,

I recently became a newbie owner of a 2013 911 C2 (bought from private party). The dealer told me that a rear rim (20") is bent and a new one would cost ~2k.
I went on eBay and found an OEM wheel that appear to be the right one (Part#991-362-166-05-OB5).
Cross checked the item with Sunset Porsche Parts (https://www.sunsetporscheparts.com/o...99136216605ob5) then ordered it on eBay.
Subsequently I realized that the offset (rear, 52mm) did not seem to match with the required offset (70mm) for a narrow body C2.
The surprising thing to me was that the OEM vendors (such as Sunset) did not even show nor ask for body style (wide vs. narrow) on their website.
A few questions that I'd very much appreciate your inputs on:
1) Does the wheel work on both C2 and C4 by design simply with different spacers?
2) If not, is it acceptable to fit the widebody OEM wheel (for C4) to my narrow body C2?
Thanks in advance for your help!

Old 12-12-2021, 02:13 PM
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shyamvenky
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On a widebody car, you can add spacers and use a narrowbody wheel, but not the other way round.
Generally folks add a spacer in the rear for a more "filled" wheel arch, but that spacer is not 70-52 = 18mm, it's smaller.
On the 997 WB wheels look very nice on NB, but for 991 they jut out too much - I test-fitted some wheels on my 991 and then gave up.
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Old 12-12-2021, 02:43 PM
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Speed2k
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Sorry to hear about your predicament, was it discovered during a ppi? But yeah, it won’t fit.

From my research;991.1 Carrera narrow body offsets for 20-inch wheels:

Front - 8.5 x 20 ET51 - 245/35 ZR 20 (91Y)

Rear - 11 x 20 ET70 - 295/30 ZR 20 (101Y) XL



991.2 Carrera narrow-body offsets for 20-inch wheels:

Front - 8.5 x 20 ET 49 - 245/35 ZR 20

Rear - 11.5 x 20 ET 76 - 305/30 ZR 20



991.1 Carrera wide-body offsets for 20-inch wheels:

Front - 8.5 x 20 ET 51 - 245/35 ZR 20

Rear - 11 x 20 ET 52 - 305/30 ZR 20



991.2 Carrera wide-body offsets for 20-inch wheels:

Front - 8.5 x 20 ET 49 - 245/35 ZR 20

Rear - 11.5 x 20 ET 56 - 305/30 ZR 20

The WB wheel you bought will stick out too far.

good luck on your search.

Last edited by Speed2k; 12-12-2021 at 02:47 PM.
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Old 12-12-2021, 04:37 PM
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Martin S.
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Default Part # off of bent wheel

I would think there would be a part # on the bent wheel....if there is, Bingo, you know the part # to search for....
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Old 12-12-2021, 08:55 PM
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howardchen416
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Thanks shyamvenky, Speed2k, and Martin S. for the very helpful replies! Greatly appreciated.



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