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Rennsource

GT3 Wheels on NA 996

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Will 8.5 ET40 18 / 11 ET63 OEM GT3 wheels fit on my '02 996?

I currently have 5mm and 17mm oem spacers...

Edited by Rennsource

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The rears will fit exactly like OEM. Im running

295 30/r 18 BBS with an ET63. On 11 inch wide rim. No issues.

The fronts per your spec are about at turbo wide body spec.

My fronts are 8 with an ET50 and there is plenty of turn radius and damper roon.

Pushing the wheel further out with an ET40 plus that extra 1/2 inch may rub depending on your ride height.

I certainly wouldnt try also adding the shims to this mix

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The rears will fit exactly like OEM. Im running

295 30/r 18 BBS with an ET63. On 11 inch wide rim. No issues.

The fronts per your spec are about at turbo wide body spec.

My fronts are 8 with an ET50 and there is plenty of turn radius and damper roon.

Pushing the wheel further out with an ET40 plus that extra 1/2 inch may rub depending on your ride height.

I certainly wouldnt try also adding the shims to this mix

I ve seen 19" inch/ 295mm rims on a C2 making contact with parts of the wheelmount when the springs are fully pressed (rear tires). You should take that into consideration.

As I understand for a C2 the max tire size is a 18" with 265mm tires.

The 19" did look nice though .....

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Check the TSB for approved wheels, tires and spacers. No problem with the rears with no spacers. The front setup is not approved, but I think I recall reading somewhere that 8.5s will fit up front, not sure about the offset. Also, I was recently advised by Loren that Porsche doesn't recommend spacers only in the front.

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