GT Performance Mods 2005+ Mustang GT Performance and Technical Information

What is the correct offset for wheels.

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Old 9/17/08, 07:04 PM
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What is the correct offset for wheels.

Hello all,

I am going to get new shoes for my 05, but have looked on a few sites for wheels and I am confused about offset. I am looking for some S-style wheels which can not be deep dish. I want 18x10 out back and 18x9 in the front. Looking at all the sites I have seen different offsets for the front and the rear. How do I know what the correct offset should be?

Two different wheels both 18x10.

Wheel 1: backspacing 7.27"
offset +45mm

Wheel 2: backspacing 6.38"
offset +22mm

Then for the front wheels 18x9.

Wheel 1: backspacing 6.32"
offset +36mm

Wheel 2: backspacing 5.95"
offset 24mm

Wheel 3: backspacing 6.95"
offset 50mm

For tires I plan on using: front 255/45/ZR18 rear 285/40/ZR18

Last edited by chuckieduck; 9/17/08 at 07:52 PM. Reason: Add more information
Old 9/17/08, 08:14 PM
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The offset for the 05+ is 44mm. Anything from 36mm up should be fine. The 24/27mm is for the SN95 model.
Old 9/18/08, 06:21 AM
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Go with wheel one for both. Wheel three on the front will sit farther in that the stockers, which already sit far in enough. Wheel 1 in both cases will bring the lip nearly flush with the fender.
Old 9/18/08, 07:37 AM
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Originally Posted by DarkFireGT
Go with wheel one for both. Wheel three on the front will sit farther in that the stockers, which already sit far in enough. Wheel 1 in both cases will bring the lip nearly flush with the fender.

+1
Old 9/18/08, 07:06 PM
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I've got 24mm on mine.
Old 9/20/08, 12:10 AM
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18x9 +36 with the 255's
18x10 +45 with the 285's would be my recommendation.
Old 9/20/08, 06:08 PM
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Thanks for the help.
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