C4 Tech/Performance L98 Corvette and LT1 Corvette Technical Info, Internal Engine, External Engine

Help..... Tire size question

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Old Sep 22, 2005 | 07:58 PM
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85C4fanatic's Avatar
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Default Help..... Tire size question

I am looking to replace my factory rims on my 85 and want to know if these are the coorect replacement for them.

SIZE AND SPECIFICATIONS: We have combined two sizes of wheels in this set. There is 2-17 x 9.5 (+38mm,6.7" backspace) front and 2-17x11 (+36mm, 7.397" backspace) rear. They are a direct bolt-on and no spacers or adapters are needed. The lug pattern is 5x120.65mm.

Any help would be great.
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Old Sep 22, 2005 | 08:19 PM
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CFI-EFI
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From: The Top of Utah
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The correct replacements would be the 16" X 8.5" and/or the 16" X 9.5" that they came with. That is not to say that you can't use 17" wheels. The 1984 came with either 4, 16" X 8.5" wheels, standard or 2, 8.5" and 2, 9.5" wide wheels on the Z51 package. The '85 may have come mixed widths or all 9.5" wide, but in either case, all four wheels share the same offset, originally. Again, that doesn't mean those won't work. A lot depends on what you mean by, correct replacement.

RACE ON!!!
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Old Sep 22, 2005 | 08:39 PM
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Looks like the correct offset, is that what you meant?
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Old Sep 22, 2005 | 10:39 PM
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Yes I'm sorry I was concerned with the offset.
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