My wheel setup and what tires size

SPOHN

Ok I got rid of my 19's for some 18 RPF1 18x9.5 +15 and 18x10.5 +15. I saw Megan running this same setup up front with no issues on AP BBK. He told me he had 3mm clearance. Well after I installed the out side lower edge corner only of my AP caliber was ever so slightly rubbing the inside of the wheel where it angles inward. This is how close it was, the wheels had been plasti dipped and the plati dip was rub clean but no marks what so ever on the wheels. It looks as if the caliper had a slight molding issue for it wasn't round and smooth as the upper corner. Again Megan had clearance. It actually has a small hook like look. I almost thought of grinding down a tad. But t thought of that on my AP's is hard to manage.

So I'm going to run these wheels and spacers are going to be needed to ease the mind and as my buddy Mike mentioned you want some clearance for small rocks can get caught between the caliber and the rim making awful noise which has lead him to black flags before. I was thinking of 2.5mm spacers but my buddy had some 5mm he gave me. So that's what's on there and that's how it's going to be so no grief just help on tire sizes please.

I want to run a square tire setup of 285/35/18. Shouldn't his work up front? I really like to get a 285/40 but that tire size seems hard to come by with the few brands I will only run. I have coilovers so adjusting height is no issue. I ask cause the great info here is spread far and wide with different scenarios. But now with my total offset at +10 I had to ask. I will be running -3.0 camber also.

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