Front tires rubbing front wheel liner/brake duct
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  • 2 Post By barrok69
2004-2007 Cadillac CTS-V Performance Mods Discussion, Front tires rubbing front wheel liner/brake duct in Cadillac CTS-V Series Forum - 2004 - 2007; I put some new rubber 245/45R18 Michelin Super Sports on the car before the winter started and when the shop ...
  1. #1
    barrok69's Avatar
    barrok69 is offline Cadillac Owners Fanatic
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    Front tires rubbing front wheel liner/brake duct

    I put some new rubber 245/45R18 Michelin Super Sports on the car before the winter started and when the shop was pulling the car out they said they noticed some rubbing in the inner fender well up front near the brake duct. I had the shop guy turn the wheel lock to lock and it in fact does rub slightly when it approaches lock position. Is this normal for a stock ride height vehicle with stock size tires?? The wheels are GM accessory wheels if that makes any difference. I have about 2 fingers gap between the top of tire and fender up front, slightly more in the rear, which from what I've seen is pretty much factory spec.

    I'm looking to do a light drop on the car in the springtime and can only imagine that this condition will get worse with the lowered ride height. Looking at going H&R, MM, and some rubber spring shims to raise front/rear if it's dropped too low.

    Thanks.
    Faber and Faber like this.

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  3. #2
    thebigjimsho's Avatar
    thebigjimsho is offline Cadillac Owners 10000+ Posts
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    Interestingly, I never rubbed my PS2s in the 275/40 18 size on widened rears on a slightly lowered V.

    However, I did rub my front stock size PS2s on stock rims. Again, slightly lowered. So yeah, its weird but I wouldn't worry about it.

    Just be careful on hitting big dips at high speeds. I did this at New Hampshire Motor Speedway at a track day and my fender lining ripped up and got coughed up onto the track...

  4. #3
    barrok69's Avatar
    barrok69 is offline Cadillac Owners Fanatic
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    Re: Front tires rubbing front wheel liner/brake duct

    Quote Originally Posted by thebigjimsho View Post
    Interestingly, I never rubbed my PS2s in the 275/40 18 size on widened rears on a slightly lowered V.

    However, I did rub my front stock size PS2s on stock rims. Again, slightly lowered. So yeah, its weird but I wouldn't worry about it.

    Just be careful on hitting big dips at high speeds. I did this at New Hampshire Motor Speedway at a track day and my fender lining ripped up and got coughed up onto the track...
    I replaced 245/45R18 Michelin Pilot Sport PS2's that also rubbed the same spot. I'm confused why at stock height and stock tire size are my tires this close?

  5. #4
    atdeneve is offline Cadillac Owners Connoisseur
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    Re: Front tires rubbing front wheel liner/brake duct

    Different tire models (even from the same manufacturers) run at slightly different widths, even when they have the same listed dimensions.

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