Some who autocross in Street class(formally Stock) run 305s on both. They are a bit pinched on the 10" front wheels but doable. It really depends on the tire you decide to run. if you could find a 285/30 and 305/30 tire you like, the F/R ratio would be close enough to stock to not mess with the nannies.
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2018 Hyper Blue Metallic 2SS 1LE with Nav, PDR, and track alignment
1:34.20 Willow Springs Big Track
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