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I have a set of Kosei k1-Ts 17x7 14lbs~ and a set of konig hypergrams 18x8.5 18lbs. Staying with the Kosei and a 225/45 is 25lbs per tire @ 156lbs total. If I moved up to 245/40/18 26.6lbs per tire on the konigs it would be 178lbs total. So question is it worth the extra weight to go to the larger tire, or is a lighter setup better.
for context, this is a track only car, NA for now (maybe next year FI). BBK, Fortune autos 8k fronts, 6k rear (I believe, cant quite remember), stock sway bars. The car has a good bit of oversteer on the 225/45/17s which I realize could probably be toned down with suspension settings, and my own driving habits. But I need new tires any way so just wanted to hear opinions on this one aspect. I know its nit-picky and probably will be fine either way.
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