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Disclaimer, the specific tire you use, since same sizes among different brands can have different tread widths and rounded vs square shoulders, as well as what your plans are for ride height and camber settings will all have an impact.
FRONT:
20x10” et54 will not rub and allow a bit of lowering. 20x9.5” et48 will act the same with the width change.
REAR:
20x12” et62 is the way to go that does not rub and allows a bit of lowering.
Examples above will be in line with tread widths similar to Michelin Pilot Sport 4s 265 fronts and 325 rears, with a 10” wide wheel you can go up to 275 front, pretty much max in front of GTS.
Disclaimer, the specific tire you use, since same sizes among different brands can have different tread widths and rounded vs square shoulders, as well as what your plans are for ride height and camber settings will all have an impact.
FRONT:
20x10” et54 will not rub and allow a bit of lowering. 20x9.5” et48 will act the same with the width change.
REAR:
20x12” et62 is the way to go that does not rub and allows a bit of lowering.
Examples above will be in line with tread widths similar to Michelin Pilot Sport 4s 265 fronts and 325 rears, with a 10” wide wheel you can go up to 275 front, pretty much max in front of GTS.
That's a bit aggresive, no?
Fronts and rears would stick out ~18mm more than factory by my math on a GT/GTs.
No, that’s flush, no outside the wheel well “poke” and no rubbing.
That's still moving the face of the wheel 18.7mm more outboard than the stock wheels. Do you have any pics with wheels that sit flush with those offsets? I'm currently shopping for wheels and trying to see what folks are running.
18.7mm out seems a bit much for me, but for others that may look good. 10-13mm seems "flush" to my eye. I bought some cheap 5mm spacers to stack and see where I thought the wheels should sit in the garage for approximating wheel offsets and came up with the following:
Rear: 19x12 ET 68-70 (10.7-12.7mm more outboard than stock)
Front: 19x9.5 ET 59 (9.5mm more outboard than stock)
That's still moving the face of the wheel 18.7mm more outboard than the stock wheels. Do you have any pics with wheels that sit flush with those offsets? I'm currently shopping for wheels and trying to see what folks are running.
18.7mm out seems a bit much for me, but for others that may look good. 10-13mm seems "flush" to my eye. I bought some cheap 5mm spacers to stack and see where I thought the wheels should sit in the garage for approximating wheel offsets and came up with the following:
Rear: 19x12 ET 68-70 (10.7-12.7mm more outboard than stock)
Front: 19x9.5 ET 59 (9.5mm more outboard than stock)
Stock wheels:
Rear: 20x11 ET 68
Front: 19x9 ET 62
Im pretty good with offsets for the platform or I wouldn’t have chimed in to spread mis-information, but please do as you wish 😁
Disclaimer, the specific tire you use, since same sizes among different brands can have different tread widths and rounded vs square shoulders, as well as what your plans are for ride height and camber settings will all have an impact.
FRONT:
20x10” et54 will not rub and allow a bit of lowering. 20x9.5” et48 will act the same with the width change.
REAR:
20x12” et62 is the way to go that does not rub and allows a bit of lowering.
Examples above will be in line with tread widths similar to Michelin Pilot Sport 4s 265 fronts and 325 rears, with a 10” wide wheel you can go up to 275 front, pretty much max in front of GTS.
Would this sizing work for 19 fronts and 20 rears?
I just had a look at your pics and it shows a 21 rear? I can see the front.
06-27-2022, 12:44 PM
