285/40-17 on 9.5" wheels

I think somebody was asking about 285/40s awhile back.
I am playing around with my corvette wheels and came up with this.
Frame clearance on the inside at the closest point is 1/4"
Offset on the wheels with the 2" spacers is 1/4" negative.
So basically the wheels are 17x9.5 with 1/4" negative offset.
Also, I have aluminum drums.






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got the front wheels on.
275/40-17 on 9.5" wheels

Thank you sir.