Tires & Rear Wheel Sizes for Higher HP Builds

Discussion in 'Shelby GT350 Mustang' started by madlag, Jan 28, 2019.

  1. madlag

    madlag Snake Charmer

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    What's everyone running on their higher HP (700+ RWHP) builds? I'm going for a second set of wheels/tires and want to maximize traction as much as possible. The car is not a daily driver, so weather isn't really a concern. I want to maintain the good handling from the cup 2's I'm used to. I really like the Cup 2's.. what else is there?
     
  2. galaxy

    galaxy Well-Known Member

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    When I was working with Vibe to build my wheels, we discussed a 19x12. Adjusting the offset so that you retain the same amount of "poke" to the outside (for lack of a better term), and thus figuratively adding that extra 1/2" all to the inside of the rim (if that helps give you a visual), they say it'll fit, but it's close. I decided against it, thus I don't know how wide of a tire you could actually go. I'm thinking 325/335 you're close to the limit on width.
     
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  3. nastang87xx

    nastang87xx Well-Known Member

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    Trofeo R
    R888R
    Cup 2
    Eagle F1 R3

    Let's be real, 700 RWHP is more than enough to overpower ANY tire.
     
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  4. Offboost

    Offboost Well-Known Member

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    Wider does not add traction taller will have more of a effect but obviously you are limited in either due to limited space.
     
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  5. nastang87xx

    nastang87xx Well-Known Member

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    Truth.

    I mean in the corners obviously yes width to a point has an affect on lateral grip and compound of course will be the biggest factor. But as a prime and probably exaggerated example, look at top fuel tires.
     
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  6. blueovalkid

    blueovalkid The Snake Pit

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    DSC03235.jpg I have 305/30/20-325/30/20 SC2's on 11-11.5" Signature 501's on my Whippled 17 GT350
    I was happy with the amount of traction the SC2's had
     
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  7. ZX3ST

    ZX3ST Well-Known Member

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    Off topic. That's one wicked garage. Carry on!
     
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  8. blueovalkid

    blueovalkid The Snake Pit

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    Thx!
    DSC03126.jpg
     
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  9. ZX3ST

    ZX3ST Well-Known Member

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    I hate you. In the most jealous way possible. Good show sir!
     
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  10. OP
    OP
    madlag

    madlag Snake Charmer

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    Thats the answer i was looking for. Signature 11.5 with a 325 on it. Prob go with SC2's again.
     
  11. Blaze489

    Blaze489 Well-Known Member

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    @blueovalkid what is your 350R lowered on?
     
  12. Hack

    Hack Well-Known Member

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    Good post.

    I would think that there's going to be a trade off between handling and straight line grip if you start going to a taller side wall. For the maximum straight line grip a smaller diameter rear wheel would help you to get more sidewall, but more sidewall will probably reduce cornering ability. It could also look odd because you won't be able to go to a smaller diameter front wheel - depends on what your priorities are.
     
  13. A_Bau3

    A_Bau3 Well-Known Member

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    Just gotta drop $13k on a Motec ECU then haha
     
  14. blueovalkid

    blueovalkid The Snake Pit

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    The Blue car is on FP springs but its not an R
    If I had it to do over again I would probably use the BMR springs
     
  15. 1814GT350

    1814GT350 Well-Known Member

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    Why the BMR springs? Better spring rate, lower?

    Thanks
     
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