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Wheel OFFSET question?

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Old Mar 13, 2013 | 02:33 PM
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Default Wheel OFFSET question?

What is the offset of stock base C5 front and rear wheels and is it necessary to to maintain that on stock size replacement wheels? And, what does OFFSET mean?
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Old Mar 15, 2013 | 10:45 AM
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8VETTE7, Do you have the specs on a 1990 C4 offset. I believe it's a 56MM offset. Would I have any trouble with a 54MM offset rims?
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Old Mar 15, 2013 | 04:44 PM
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Originally Posted by lovmy90vette
8VETTE7, Do you have the specs on a 1990 C4 offset. I believe it's a 56MM offset. Would I have any trouble with a 54MM offset rims?
It is a 56mm offset.

I have had a few C4's. The offsets are:

84-87 base
16 x 8.5" - 32mm

84R-87 Z51
16 x 9.5" - 38mm

88-96 base
17 x 8.5" - 56mm
17 x 9.5" - 56mm

ZR1 rear
17 x 11" - 36mm

Grand Sport rear
17 x 11" - 50mm

I don't remember what the '88 16 x 8.5" offset is, but I think it is similar to the other 88-96 wheels.
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