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Based on reading the opinions and experience of seasoned M2 drivers here, it looks like the consensus is 265/35/18 or 275/35/18 square for track use. I have a question that is bothering me from a theoretical/engineering perspective. While this size mantains the stock diameter in the front compared to the OEM tire (245/35/19), it reduces it on the back wheels that are the powered ones with the differential.
Besides the somewhat odd cosmetics of this, I am wondering what impact this has on performance as we are effectively changing the gearing and the tire has to complete more rotations to cover the same distance. I am sure I am over thinking it, but curious to hear what the experts here have to say. TIA.
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