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Offset Confirmation

TXGT29

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Ok, so I've been doing a ton of research and using some of those websites that calculate and show differences in wheels/tires sizes and offsets.

I'm trying to decide what is the correct and best offset to go with.

Currently, I have the 19x8.5 wheels with 1" Steeda spacers all around. So if my research is right, stock offset is roughly 42.5mm. So adding the 1" spacers puts end offset at roughly (42.5 - 25.4 = 17.1mm), so say 17mm.

So, if I'm looking at 19x10 wheels at all 4 corners (square setup) I'm gaining 1.5" in width divided by 2, so adding 19mm to the 17mm = 36mm......... Correct?

It seems a lot running 19x10 wheels with 35mm offset. My concern is this would be poking out even more than what I currently have with the spacers.......and I rub on one front corner on hard bumps with speed. I should note I have Steeda progressive springs installse. So if it really is pushing out more with et35, I'll be rubbing even worse?

Or are my calculations off, and et35 is what to go with for the 19x10 square setup? Or do I go with more of a et40 wheel with 3mm spacer?

Thanks
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stangjp50

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If you have +25 and put +35 your wheel will be 10mm more inside. But 35mm on a 10 inch should be perfect.
 
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TXGT29

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I believe I'm currently sitting at 17mm with the stock wheel estimated offset and 25.4mm spacers.

So going 35mm from 17mm is 18mm difference.......but going 1.5" wider on wheel puts 19mm back out, right?

So am I going to stick out still 1mm more than I am currently where I have slight rub?
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