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Transmisson didn't like over-sized tires
Because I had them lying around, I once put a set of 205/xx-yy snow tires on steelies (15s or 16s, and either 65 or 70 series) from a 2001 Grand Caravan onto a 2005 Mazda 6 2.3L auto, in place of the Mazda's 215/50-17 tires. The snow tires were about 5 - 7 % larger in diameter (hey, it was a long time ago), but right from the start it was obvious that the Mazda's transmission did not like the change: in particular, up shifts while driving "normally" became unpleasantly abrupt. A month or two later I put the Mazda's summer rubber on the car, and everything returned to normal.
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