TwinTurbo.NET: Nissan 300ZX forum - My Works GT-Cs are marked the same ...
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Subject My Works GT-Cs are marked the same ...
     
Posted by DaZedMan on December 06, 2013 at 1:41 PM
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In Reply To Help identifying wheel offset posted by JMartz on December 04, 2013 at 02:53 PM
     
Message but they are drilled for 5x114.3 and fit my Z perfectly. A second set of GT-Cs that I looked at were also marked this way.
I saw a note somewhere that it isn't uncommon for this to be the case.

Easiest way to determine offset:

Lay wheel in flat surface. put straight edge on upper surface of tire. Measure total distance from bottom to top surface (distance "A"). Measure distance from top surface to mounting surface (distance "B").

offset = (A - 1)/2 -B

Use A - 1 since the rim width is generally 1/2" smaller on each side than the overall width. If your tires are way wider than the rim, increase the amount you subtract from A.

     
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