11-14-2016, 01:36 AM | #23 |
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11-15-2016, 11:57 PM | #24 | |
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Based on those numbers there really isn't a difference between ZCP & GTS wheels. Yes, the GTS has 19's in the front. However, the 1.3lbs weight difference is added back on the rear with the wider wheels. There is no real weight savings between the ZCP & GTS wheels. The combined weight of all 4 wheels add up to the same 104.8lbs.
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11-26-2016, 12:37 PM | #25 |
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There is the weight comparison
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12-18-2016, 10:15 PM | #28 |
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They should have made a carbon center lock wheel
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12-19-2016, 06:12 PM | #29 |
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12-19-2016, 06:52 PM | #30 |
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12-20-2016, 05:55 AM | #31 | |
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11-02-2023, 05:07 PM | #32 |
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Holy thread bump. Question for the wheel gurus. Would the wider 666M front and rear with 265/285 cup2 as per GTS specs, with offset 29 front and 42 rear cause any rubbing on the struts?
They obviously clear the GTS which had Coilovers but with normal comp suspension and MPHAS, it goes approx 6mm further inwards and outwards due to the wider rim.
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11-02-2023, 09:40 PM | #33 | |
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DSC, you say? Never heard of it
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11-03-2023, 01:13 AM | #34 | |
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I think I’ll stick to 763M in the end, there’s probably a reason it’s not been done (can’t find any regular M4’s with GTS wheels online)
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11-03-2023, 07:11 AM | #36 |
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Nice!! Do you have any pictures?
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11-03-2023, 07:27 AM | #37 |
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11-03-2023, 07:38 AM | #38 |
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Thank you!! Looks great. So no rubbing at all and are you using spacers?
Lastly.. these or 763’s?! I’ve been debating on wheels for weeks now
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11-03-2023, 10:13 AM | #39 |
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I just got a set of 763m and I loved the 666 so much initially I wasn’t sure but now I’m lovin the 763 and so easy to clean
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11-14-2023, 02:12 PM | #41 |
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The mass of the wheel doesn’t tell you anywhere near the full story.
You can have a wheel that is heavier, but has more of its mass closer to the hub and thus has a lower rotational inertia than a lighter wheel with more mass at the rim. It’s called the “radius of gyration”. In engineering terms, the radius of gyration (k) is defined as the square root of the moment of inertia (I) divided by the mass (m) of the wheel. The formula is: K = [ I / m ] ^ 0.5 People confuse rolling resistance (which is more down the wheel bearing) with rotational inertia which is really the radius of gyration and the wheel + tire mass. Tires are pretty much the most important component of any car, changing up the wheels and tires without really knowing what you are doing is just a lucky dip for driving performance. But hell we all do it. |
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