running a 22mm offset all around

Discussion in 'Wheels & Tires' started by TuxedoPC, Jan 7, 2020.

  1. TuxedoPC

    TuxedoPC Well-Known Member

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    Is it possible to run a 22mm offset on all corners on coils, while having flush fitment. Rim is a 19x10.5, planning to run a 285 tire on it. What spacers would I need camber. Im running -2 degrees up front, -1.8 in the rear
     
  2. Fly2High

    Fly2High Well-Known Member

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    I just so happen to have a VMR V710 19 X 9.5 ET22 that I placed recently on the front and back of my GT PP2. your 19 x10.5 ET22 will stick out even further. Since these are an 1" narrower, add another 1/2" to the width you see here so they will be even further out.

    IMG_7143.JPG IMG_7147.JPG
     
  3. Fly2High

    Fly2High Well-Known Member

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    For me, I will be running 19x9.5ET22 in the fornt and 19x9.5ET45 in the back. I am waiting on the ET45 since the vendor and I were concerned about clearing the 15" Brembos. These wheels I am using for snow tires and was looking for a narrower setup than the stock PP2.

    Stock PP2 has:
    Fr: 19x10.5 ET24
    Rr: 19x11 ET48

    This is how they look

    Front stock PP2 - 19 x 10.5 ET24

    IMG_7148.JPG


    Rear Stock PP2 - 19 x 11 ET 48
    IMG_6898.JPG
     
  4. BmacIL

    BmacIL Enginerd

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    Will work fine up front but will stick out past the rear quarter panel about an inch.
     
  5. Fly2High

    Fly2High Well-Known Member

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    As compared to a PP2, since I do not know what your car is, you would be widening the rear track width by (48 - 22) X 2 wheel = 52 mm or ~2 inches which , as I have read , is a lot. For a PP2, you are only changing the front track width by 4 mm or .157 " or hardly anything.

    A wider track with will:
    1. make the springs feel softer due to the longer lever arm created by moving the tires out wider. Since the front (on a PP2) are close to stock offset, it will only soften the rear and not the front.
    2. might increase scrub radius causing more tire wear . If it was on the front, could increase steering effort.
    3. widening the rear will promote understeer - minimal at normal street speeds
    4. By widening only the back without making the front wider by the same amount, I have read that it will make the car 's handling more looser.

    I am sure there are other changes to handling caused by only widening the rear without also changing the spring, sway bars etc. to tune the suspension. These were just a few I read doing a quick search.

    On a stock PP1 with the staggered 255/275 layout, your offset is Fr: RR 19x9 ET45 : 19x9.5 ET 52.5

    In this case, you would be widening the front by 46mm and widening the rear by 61 mm for a differential in track width of 15mm so not so much of an affect. Since both front and back are getting wider, the springs will both act a little softer.
     
  6. Fly2High

    Fly2High Well-Known Member

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    You can see for yourself with this tire calculator.
    https://www.tire-size-calculator.info/

    Just enter the original and New tire and it will show you how much wider/narrower it is and indicate the differences in setup.
     
  7. OP
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    TuxedoPC

    TuxedoPC Well-Known Member

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    isnt the pp2 wheels a square 305 all around?
     
  8. Fly2High

    Fly2High Well-Known Member

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    The tires are all 305/30R19 but the wheels are different so it is not really a square setup
     
  9. myboostedgst

    myboostedgst Well-Known Member

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    You will certainly be pushing it. I’m on 19x10.5 +35 and I just clear in the rear on a H&R Super Sport spring setup. Depending on your ride height you will rub.
     
  10. Fly2High

    Fly2High Well-Known Member

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    A PP2 has 305/30R19 tires but:

    front: 19 x 10.5 ET24
    rear 19 x 11 ET48
     
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