Would 19x8 +30 fit G37S

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Old 05-01-2011, 12:40 PM
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bighman
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Would 19x8 +30 fit G37S

hey guys i found a great deal for some Privat Reserv's. Will it fit/clear the brakes?

http://www.konigwheels.com/Privat-Ho...ERV-FORGE-GREY
19x8 +30
19x9.5 +40

Looking to buy on monday...or tuesday
Old 05-01-2011, 01:27 PM
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Gee37S
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It should...
Old 05-01-2011, 02:23 PM
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G37Sam
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Originally Posted by Gee37S
It should...
How are you able to tell?
Old 05-01-2011, 02:27 PM
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P Casey
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do you have a coupe or sedan? you need to call the wheel store and make sure they clear your brakes. also make sure they have the right bolt pattern 5x114.3
Old 05-01-2011, 03:34 PM
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Gee37S
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Originally Posted by G37Sam
How are you able to tell?
The wheels he is looking to get are 19x8 +30 in front and 19x9.5 +40 in the back. The OEM sport 19s are 19x8.5+43 in front and 19x9+45.

Here is my math for the front. The privat wheels are .5 inch thinner than stock and .5 inch = 12.7mm. Those 12.7 mm are split half half onto each side of the spokes, so you'll have 6.35mm less on each side of the spokes. However, the stock wheels are at +43 offset and the privat wheels are at +30, so those would sit 13mm further out. But since the aftermarkets are thinner, the overall outcome will be that they'll be sticking out 13mm-6.35mm=6.65mm more than stock. In turn what that means is that they'll be 6.65mm further away from the brake calliper then the OEM sport wheels. I cannot guarantee that the backspacing will be sufficient to clear the callipers since it depends on the way the wheels are built etc.

For the rear, you have .5 inch more width with the aftermarket wheels. That's an extra 12.7mm total that is split in half on each side of the spokes. So an extra 6.35mm on each side of the spokes. The aftermarket wheels have 5mm lower offset, which means the wheels will stick out an extra 5mm. Compared to the stock OEM rear 19s, the rear aftermarkets will stick out an extra 11.35mm. Again, based on this math alone they should fit fine and look good aesthetically , the only question is will the back spacing be sufficient to clear the rear callipers...

Hope that helped.
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