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Let's see if I got this right. This always confuses my brain for some reason.
The stock 16" is a 16x7 with a 4" backspacing which equals 0 offset.
Your new wheel with its +10 offset gives it a 5.5" backspacing (approx) which means it will sit 1.5 inches further inside the wheel well but then you gotta figure it is 2" wider than the stock wheel.
Since it is 9" and the flange (where the wheel meets the hub) is set in 5.5" from the outer edge. This means you'd have 3.5" from the flange to the inside edge of the wheel. Stock has 3" from the flange to the inside edge of the wheel. It is set in .5" more....If so, then no need for a spacer...probably.
So I thought more about it and made some changes to my original post. I'm 99.93% that you will not need a spacer. I'm 96.862% that you may experience rubbing at full-lock in an off-camber situation.
Be ready for a big loss in mileage, as the wieght increase on the wheel n tire combo is big. Takes more power to get them movin.. Just something to consider
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