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The wider tyre on the narrower rim should make it 'balloon' ever so slightly, making it slightly taller, and the shorter sidewall on the rear should stay almost static on the OEM rim- the net result is they should be extremely close (within 1/10th inch) of a perfectly matched set.
Sorry, my mistake, I was thinking about the winter wheels, you are correct on width.
No worries! I’m hanging on by my finger nails in this forum and struggling with the learning curve.
At the risk of hijacking this thread, do people with 991’s ever go crazy and put on 12.5” or 13” wide wheels with 335’s out back? I tried to search that but couldn’t find a thread about 991 turbo owners doing that. I just might be crazy enough to do that for a street set up.
No worries! I’m hanging on by my finger nails in this forum and struggling with the learning curve.
At the risk of hijacking this thread, do people with 991’s ever go crazy and put on 12.5” or 13” wide wheels with 335’s out back? I tried to search that but couldn’t find a thread about 991 turbo owners doing that. I just might be crazy enough to do that for a street set up.
i have 12.5 inch wide rear wheels and would put a set of 345’s on the back IF I could find a set of front and back in a tire I like that have close enough matching rolling diameters...but alas, right now no such combo exists in a 20 inch wheel
So, for a 5 lug Turbo S 20" wheels , which are 8,5 front and 11 in the back, lowered with Techart springs, i could use 255/35/20 and 315/30/20 ?
Thinking of R888R.
So, for a 5 lug Turbo S 20" wheels , which are 8,5 front and 11 in the back, lowered with Techart springs, i could use 255/35/20 and 315/30/20 ?
Thinking of R888R.
No worries! I’m hanging on by my finger nails in this forum and struggling with the learning curve.
At the risk of hijacking this thread, do people with 991’s ever go crazy and put on 12.5” or 13” wide wheels with 335’s out back? I tried to search that but couldn’t find a thread about 991 turbo owners doing that. I just might be crazy enough to do that for a street set up.
265/325 on OEM sized wheels works great. They looked great on a lowered car, and they were far faster on track than OEM sized tires. That's all I cared about. Also, Porsche used different sized wheels in different years for the 991.2, so double check exactly what came with your car. (I'm sure of this, but the specific details are hard to find now, and I forgot what changed)
So, for a 5 lug Turbo S 20" wheels , which are 8,5 front and 11 in the back, lowered with Techart springs, i could use 255/35/20 and 315/30/20 ?
Thinking of R888R.
265/325 on OEM sized wheels works great. They looked great on a lowered car, and they were far faster on track than OEM sized tires. That's all I cared about. Also, Porsche used different sized wheels in different years for the 991.2, so double check exactly what came with your car. (I'm sure of this, but the specific details are hard to find now, and I forgot what changed)
And, perhaps, you have that pic handy of the side view, and lowered...?
06-13-2020, 09:47 PM
