Wheel Confusion

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Nov 25, 2008 | 12:27 PM

aklim

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From: Hartford WI

Wheel Confusion

I have 4 different part numbers for wheels on my 91. 10180879, 10180880, 10180881, 10180882. Yes, 2 of them are stamped right and 2 of them are left. How do you know which one goes to the front and which to the rear? GM parts hasn't been real helpful and I would like to do this right before the alignment.

TIA

Nov 25, 2008 | 01:40 PM

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From: Phila., PA burbs

Not sure I understand your question. For base 91s there is no difference between front and rear wheels that I'm aware of. You have two rights and two lefts. They're all the same dimension (17x9.5) and offset (56mm I believe). The only additional wheels in 91 are the ZR-1 rears so I guess there would be two more additional part numbers for left/right ZR-1 rear wheels. ZR-1 fronts are the same as base wheels. Not sure if this is what you're looking for.

Nov 25, 2008 | 01:47 PM

aklim

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From: Hartford WI

But there is a question of why there are 4 part numbers. Also, the offsets look different. Not sure if the PO used a set from somewhere else.

Nov 25, 2008 | 01:56 PM

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From: Phila., PA burbs

Are they a gray painted finish or machined on the face?

Nov 25, 2008 | 02:37 PM

aklim

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http://catalog.thewheelwarehouse.com...oducts_id=2602

That is the design

Nov 25, 2008 | 04:14 PM

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From: Phila., PA burbs

Quote:

Originally Posted by aklim

http://catalog.thewheelwarehouse.com...oducts_id=2602

That is the design

That explains your confusion a bit. Your wheels aren't from a 91. They're the 93-96 style sawblade. In these years the base suspension cars got 17x8.5" wheels in the front and 17x9.5" in the rear. If your set is like this it would explain the four different part numbers. If two are 8.5" wide rims, they obviously go in the front. If they're all 9.5" wide rims it doesn't matter which ones are front or back.