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Old 11-03-2015, 01:57 PM   #8
husker boxster
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Location: Omaha
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Had to pull out a dusty piece of paper I have with offsets & widths. Factory 986 dimensions are:

7.5x18 (50)
8x18 (52)

You can use that as your starting pt when looking at wheel offset calculators.

I believe in 98 18s were a factory option but they weren't in 97.
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