He wont have to go much bigger guys it's not like he added a huge Supra like wide-body kit just a nice bigger buldge compared to stock, can SHO owners be positive for once lol it's always "huge" or "not possible", "do you think i'm loaded I drive a Taurus" say that to the people modifying late 70's and early corolla's

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Can't wait to see it done and on the car, surprised you had problems with your 18x8 @40mm offset, because I had 18x8's on my old SHO with a 40mm offset and 235/40/18 tires with it being dropped 2.75" front and 1.5" rear so something must be up with your suspension...?
Either way man good luck, you better post ASAP when those fender are finished!