How much front/rear camber is necessary to run Pirelli slicks

Discussion in 'GT350 and S550 Technical Forum' started by ShelbyDoc350R, May 2, 2018.

  1. ShelbyDoc350R

    ShelbyDoc350R TMO Beginner

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    I am in the process of setting up my 2016 gt350R with Pirelli 305/690R19 up front and 315/705R19 in the rear on the stock CF rims. I have MM front camber plates and Steeda adjustable rear camber arms. Looking recommendations for camber/toe settings. Rear fender clearance looks close..
    Thanks
    Mark pirelli1.jpg pirelli2.jpg
     
  2. Kevin Guzniczak

    Kevin Guzniczak TMO Advanced

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    Start with Ford Performance recommendation for track settings as a baseline. It will depend on where you run. Your tire sizes are spec sizes so the clearances shouldn’t be an issue. Looks like your lowered a bit.


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  3. ShelbyDoc350R

    ShelbyDoc350R TMO Beginner

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    Kevin,
    The pirelli slicks are a taller tire then sc2’s.
    The OE sizes are 305/30/19 (26.2") and 315/30/19 (26.4"). The Pirelli P Zero DH compound slicks in 305/690/19 (27") and 315/705/19 (27.7") for the rears. I have the stock R springs in the car so it’s not lowered. Think I need greater than neg 2.5 rear camber to clear the rear fender ??Hoping someone has run this set up.


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  4. Kevin Guzniczak

    Kevin Guzniczak TMO Advanced

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    I see. I didn’t realize they were taller.


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  5. Competition Orange

    Competition Orange TMO Intermediate

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    You'll want to follow the Pirelli specs, not Ford's...I believe they call for between -3 and -3.5.

    I'm running DH's on my lowly GT PP and I can tell you -2.7 wasn't enough last year. I've since moved to -3.15 this spring. I should have feedback after my May 12/13 weekend at Mid Ohio.
     
  6. ShelbyDoc350R

    ShelbyDoc350R TMO Beginner

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    Thank you for the advice.
     
  7. xXANCHORMONXx

    xXANCHORMONXx TMO Intermediate

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    Yeah you need a lot. I was going 3.3 up front and 3 out back.

    I will add more at my next alignment.
     
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  8. Competition Orange

    Competition Orange TMO Intermediate

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    I can confirm -3.15 front and -2.2 rear isn't enough in the rear, cords the outside 2" of the slick in the rear. The fronts were better than at -2.7 but are showing signs of outside wear also.
     
  9. ShelbyDoc350R

    ShelbyDoc350R TMO Beginner

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    Thank you for the update.


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  10. dchunk911

    dchunk911 TMO Intermediate

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    May I ask how you're getting over 3.0 on front? With M&M's, could get -2.3 maximum.
     
  11. blacksheep-1

    blacksheep-1 TMO Addict

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    Hmm, we got a lot more than that.. and you'll need a minimum of 3 at the very least. This was with Max Mtrspts
     
  12. Competition Orange

    Competition Orange TMO Intermediate

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    I'm just using camber bolts, and a 15mm spacer for my wheels.
     

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