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Thread: Wheel Bolt Pattern and Offset - Winter Tires - RWD

  1. #1
    bungee91 is offline Cadillac Owners Fanatic
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    Wheel Bolt Pattern and Offset - Winter Tires - RWD

    I'm wondering if anyone knows the bolt pattern and recommended offset for purchasing a set of aftermarket wheels for winter?
    Also, I'd assume it to be the case (as some of the lower trims have them) but do 17" wheels clear the Brembo brakes (or maybe even 16"'s?)?

    I ask because winter is approaching and I have on order a 2.0T manual premium ATS and am looking to purchase a set of winter wheels/tires to be prepared for the upcoming winter season.


    Thanks,
    Jeff


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  3. #2
    JimmyH is offline Cadillac Owners 10000+ Posts
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    Re: Wheel Bolt Pattern and Offset - Winter Tires - RWD

    I would call Tire Rack. They have reps there who seem to know everything about everything when it comes to wheels and tires. You just have to find the right person over there.

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    JimmyH is offline Cadillac Owners 10000+ Posts
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    Re: Wheel Bolt Pattern and Offset - Winter Tires - RWD

    I don't know if I would count on 17" wheels clearing the Brembos. Certainly not 16". I think there is only one or two 17" out there that will clear the rear brembos on the CTS-V and Camaro, and they are specially designed wheels for drag racing.

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    marktanner is offline Cadillac Owners Enthusiast
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    Re: Wheel Bolt Pattern and Offset - Winter Tires - RWD

    17s will definitely clear the calipers, as they are standard on all ATSs except the Premium models, and all but the base 2.5 have the Brembos. Some 16's will probably work, as the discs aren't that big, made possible by the relative light weight of the cars. The Tire Rack would definitely know what would work. The 16s will probably look pretty small, though.

  6. #5
    bungee91 is offline Cadillac Owners Fanatic
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    Re: Wheel Bolt Pattern and Offset - Winter Tires - RWD

    Thanks for all the replies and info!
    I have looked on Tire Rack, however was deterred when they had no information available online.
    I just assume in this day and age if you know something, it's probably on your online shop also.
    I'll give them a call and go from there I've ordered plenty from them in the past.

    If they have the info, I'll share my findings.

    As for the 17's, that was my thoughts considering other trims have the Brembo's with the 17's, now the 16's on the other hand was just wishful thinking (boy would they look tiny, BUT this would be strictly for winter tires so more tread = good!)

  7. #6
    JimmyH is offline Cadillac Owners 10000+ Posts
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    Re: Wheel Bolt Pattern and Offset - Winter Tires - RWD

    The ATS brembos must be pretty small then. Even the CTS-V and Camaro rear brakes are 14" diameter.

  8. #7
    JimmyH is offline Cadillac Owners 10000+ Posts
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    Re: Wheel Bolt Pattern and Offset - Winter Tires - RWD

    You might ask for a guy named Rudy (if he is still there) He reps tire rack on alot of forums, and he really knows his stuff. Tirerack only shows items on their website that are officially confirmed to fit. When I was looking for 18" wheels for my Camaro SS, NO ONE lists 18s that will clear the brembos. But unofficially, Rudy had 6 different wheels in inventory that he confirmed to clear the brembos (as long as the pad weights were removed from the front brakes) PM me if you want his email address.

    As for winter tires, I really don't think there is enough difference between 16" and 17" wheels to be concerned about. You are only talking 1/2" more sidewall.

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    bungee91 is offline Cadillac Owners Fanatic
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    Re: Wheel Bolt Pattern and Offset - Winter Tires - RWD

    So I called Tire Rack, and lets just say I'd prefer those 2 minutes of my life back!.. It was surprising to say the least, but if they don't have anything they can tell me, then I guess that's to be expected.
    I didn't ask for Rudy, but thanks for the name.
    I asked if they'd get back to me with some info and he basically told me to call Cadillac!
    It went back and forth and the guy told me that they don't have one yet, and haven't done test fittings, cad drawings, etc...
    I was left with no info, and a somewhat unhelpful response.
    I guess I'll just have to wait until I have the car, but being as big as Tire Rack is I just expected a bit more helpful answers or taking down my info to get back to me.

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    I've talked to Damon there for years.

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    JimmyH is offline Cadillac Owners 10000+ Posts
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    Re: Wheel Bolt Pattern and Offset - Winter Tires - RWD

    Most of the sales people there are call takers. We are lucky they even know what a tire is. You have to get to the guys who know their stuff. They are there, you just have to get to them. But they may not even have the info. The ATS just hit the market after all.


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