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Need advice on new wheels and tires

2016 GT/CS Laila

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I plan on purchasing a set of Ford Performance PP2 style wheels 19x9.5 front and 19x10 rear. I am trying not to adjust the stock tire diameter too much and have decided on 265/40R19 front and 295/35R19 for the rear. Anyone see a problem with this, my current set up is 19x8.5 with 255/40R19.
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Grintch

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Going from 255 square to 265/295 will cause a significant increase in understeer. 295/35R19 has little tire selection. 295 is wide for a 10" wheel.

Just go 275 or 285 square on 10" wheels. It will handle better, and have better tire life being able to rotate the front and rear tires.

A little change in diameter is not a big deal. Many people obsess far too much over it. But 275/40R19 should minimize it, and still have pretty good tire selection (but not as good as /35).
 

Labradog

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I'd second the recommendation for a different (ideally lighter) set of 19x10 square wheels with 275 or 285 tires, but if you are dead set on those I'd go 265/40 front 275/40 rear.
 
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2016 GT/CS Laila

2016 GT/CS Laila

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2016 GT/CS Laila

2016 GT/CS Laila

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I'd second the recommendation for a different (ideally lighter) set of 19x10 square wheels with 275 or 285 tires, but if you are dead set on those I'd go 265/40 front 275/40 rear.
I’m not dead set on that set up, my other option is to source out 4 9.5x19 wheels. My current wheels have a 42.5 offset and the FP wheels have a 40 which is pretty much a wash leaving a width increase of an inch, just under a half inch on the inside and just over on the outside. At that point I would probably go for a 275/35R19 squared.
 

MidwayJ

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I’m not dead set on that set up, my other option is to source out 4 9.5x19 wheels. My current wheels have a 42.5 offset and the FP wheels have a 40 which is pretty much a wash leaving a width increase of an inch, just under a half inch on the inside and just over on the outside. At that point I would probably go for a 275/35R19 squared.
I suppose another option for those FP wheels would be 275/35 front and 285/35 rear. But I agree with the other posts about better options. The widths of those wheels (9.5 front and 10 rear) make it more of a challenge to choose tires with appropriate diameters and that consider the selection/availability of certain tire sizes.
 

shogun32

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Ford wheels are stupid heavy.
19x9.5 et30-40 or 19x10 et30-37 come in zillions of options and prices. 9.5 rims can happily support 255-275/40, 275-285 for the 10s.
Since you don't appear to have Brembo 6-pots, you might also try the 18x9.5 or 18x10 fitments.
Code:
Limits (in)    outer    inner
  S550 F    3.7    6.6    70.5
  S550 R    3.5    7.5

19x9.5 ET22 c    3.9    5.6    ESR RF02, VMR v710/705
19x9.5 ET30    3.6    5.9    Forgestar F14
19x9.5 ET33 c    3.45    6.0    Centerline 670GM, VMR V705
19x9.5 ET35    3.4    6.13    Konig CG9N514357, Enkei TFR copper, tire barely inside rear fender - looks poke
19x9.5 ET40    3.2    6.3    Drag DR48
19x9.5 ET45    3.0    6.5
19x9.5 ET53    2.66    6.8    PP1

19x10 ET20 c    4.2    5.8    SS1LE (sticks out 5mm w/o camber, about 10mm to strut), VMR V703
19x10 ET25 c    4.0    6.0    VMR V703/801/810, XO Moscow
19x10 ET30    3.8    6.2    Curva C300
19x10 ET35    3.6    6.4    MRR M600, 3-5mm spacer (front)
19x10 ET40    3.4    6.6    RTX GT350R
19x10 ET42    3.5    6.65    Forgestar F14
19x10 ET45    3.2    6.8    will NOT clear
 

DonnieO

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19x10 square 275/40/19
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