Here are a few more reference photos. Notice also with the 3/4" spacer and the wide wheels the front track is now wider than the rear, even with the 275-40s back there. Tony used 1" spacers on his car to kick the rear wheels outward.
Since I'm narrowing the 9" rear anyway, I'll simply make it 1" wider than the factory wagon rear on each side. This should give the whole car a bit more of a wide stance. Overall I think the wheels look great and will work out fine even with the car being lowered 3". I plan on painting the centers that are now grey to black to better match the car.
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-Ben, Your friendly neighborhood Rendering dude, PM me for info!