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Why are 92 RS factory wheels different sized back to front?

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Old 11-14-2012, 11:20 AM
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Car: 86 IROC Z, 92 RS
Engine: 305 4bbl, 305 TBI
Why are 92 RS factory wheels different sized back to front?

I knew my wheels on my 92 are different in size on the front and back, but I thought it was due to having drum brakes in back, and disc in front. I was told by a tire dealer that it was for different sized tires. Any input would be appreciated.
Old 11-14-2012, 03:00 PM
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Re: Why are 92 RS factory wheels different sized back to front?

Originally Posted by Stevolwevol
I knew my wheels on my 92 are different in size on the front and back, but I thought it was due to having drum brakes in back, and disc in front.
Regardless of disc or drum brakes, front and rear 16" wheels have a different off-set. Cars with drums were equipped with a spacer. Nothing to do with tire size.

More about the spacer below, should you be interested:

https://www.thirdgen.org/forums/tran...-10-bolts.html

JamesC
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