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Wheels and Tires

wheel offset for 718 Cayman

I'm thinking of purchasing this set of used winter tires and wheels for my 2018 718 Cayman. Before I buy, I need to be sure these wheel offsets will work with my base 718.  According to the seller, the wheels came off a 2015 Cayman S.

Any advise is welcomed!!

Wheel Specs: (F) 18"x8", 54 offset  (R) 18"x10", 40 offset and 5x130 bolt pattern

Tire Specs: Dunlop Wintersport 3D (F) 235/45/18 94V  (R) 265/45/18 101V

Summer Tires in Winter

My wife's daily driver is a 2018 718 Cayman with 19" wheels and summer tires. She drove (gently) all last winter on the summer tires with no ill effects. (When there is snow on the roads she takes my 2017 Golf R and I take the truck.) Temperature range in Maryland winters can be 10 to 40 f. Are we hurting the tires by driving them in cold weather? My R has all-season tires, but as far as I can determine, there are no all-season tires for the Cayman 235/4019 f, 265/40 19 r. Thoughts? 

How do I know if rim specifications for winter tire/rim set match my Porsche?

I'm looking for a set of rims for a cold weather setup for my Cayman that came fitted with 19' wheels. I found a decent TireRack Wheel/Tire package featuring the Michelin Pilot Alpin P4 N-spec, but I'm confused about the specs. The wheel set that TireRack matches to my Cayman for this package has an offset of 54 front, 42 rear, versus the vehicle's OEM wheel offsets of 57 and 45, respectively - and with a front wheel width of 8.5". The OEM front wheels are 8J.

Wheel Scratch Repair

I just purchased a 2014 Cayman with 20” wheels that have numerous scratches on the inside of the wheels.  The scratches are in locations where previous wheel balance weights were glued and near the rim edges.  

The scratches are not deep and may have just removed a clear coat.  Are these wheels clear coated and repairable or do you have to start over and refinish the entire surface of each wheel?

Wheel Scratch Repair

I just purchased a 2014 Cayman with 20” wheels that have numerous scratches on the inside of the wheels.  The scratches are in locations where previous wheel balance weights were glued and near the rim edges.  

The scratches are not deep and may have just removed a clear coat.  Are these wheels clear coated and repairable or do you have to start over and refinish the entire surface of each wheel?

Winter tires in summer temperatures?

What are the disadvantages of driving winter tires in 70+ temperatures (trips from NJ to Gulf Coast in mid January)?

winter rims

I have a '18 Cayman with 19" wheels and want to buy smaller (narrower?) rims for winter tire set up. Will older Cayman or Boxster rims fit my car? I want to keep the spedo working properly & the TPMS too.

2007 Cayman S, Can I change the tire size to 245/35/19 from 235/35/19, it will rub the wheel well

I replace my wheels n tires to 235/35/19 front, 275/30/19 from 235/40/18, 265/40/18 it is possible to change to 245/35/18 front, 295/30/19 rear, it will efffect the performance

vibtration, steering wheel,

I recentle rinstall my wheels tires to 19 inch staggered, 235/35/19 front; 275/30/19 rear with 5mm n 15 mm spacers front n back, while driving my steering shimming n vibtrating to much in high speed sometimes driving on flat surface moderate shaking.. What could be the reasons n how can I resolve or fix the problems

How can I clean the brake dust off my tires?

No matter how much I scrub and no matter what solution I use, my tires still have a brown coating after washing.  How can I clean my tires?

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