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Wheel offset question

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Old Jan 4, 2011 | 09:54 PM
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From: nj
Default Wheel offset question

Does a higher # offset bring the wheel out more for a more flush look or in more? For a example would a +40 offset be out more then say a +30 offset and by how much? Also anymore know the offset of stock 18" staggered wheels?
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Old Jan 4, 2011 | 10:05 PM
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offset = how far the plane of the wheel's centerline is from the plane of the wheel's inside mounting face.

for example...

+30 = centerline is 30mm farther inside the mounting face

+40 = centerline is 40mm farther inside the mounting face

so assuming the same wheel diameter and width, a wheel with +30 offset would be 10mm farther out than that of a +40 offset.

(ergo, the greater the (positive) offset, the more sunken in the wheel barrel is.)

i don't know the offsets of the oem 2is 18's off the top of my head, but a search would help you find that answer.
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Old Jan 4, 2011 | 10:08 PM
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see this for a more technical explanation:

http://www.tirerack.com/wheels/tech/...jsp?techid=101
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Old Jan 5, 2011 | 04:44 AM
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I recall the offset for OEM stock 18's is +40
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Old Jan 5, 2011 | 11:33 AM
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From: nj
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Originally Posted by projectdna
offset = how far the plane of the wheel's centerline is from the plane of the wheel's inside mounting face.

for example...

+30 = centerline is 30mm farther inside the mounting face

+40 = centerline is 40mm farther inside the mounting face

so assuming the same wheel diameter and width, a wheel with +30 offset would be 10mm farther out than that of a +40 offset.

(ergo, the greater the (positive) offset, the more sunken in the wheel barrel is.)

i don't know the offsets of the oem 2is 18's off the top of my head, but a search would help you find that answer.
Thanx this helps a lot.
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