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What is backspacing of a OEM 97-99 C5 18" Wheel?

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Old 02-04-2002, 12:45 PM
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wishinz
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Default What is backspacing of a OEM 97-99 C5 18" Wheel?

I did a search and couldn't find the answer, so can anyone help me out? Thanks!
Old 02-04-2002, 01:08 PM
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carpe dm
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Default Re: What is backspacing of a OEM 97-99 C5 18" Wheel? (wishinz)

I'm told that the latest issue of Vette has an article on this topic; you might check there.
Old 02-04-2002, 01:17 PM
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Elk
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Default Re: What is backspacing of a OEM 97-99 C5 18" Wheel? (wishinz)

+61mm
(+56 for the 17")
Old 02-04-2002, 08:15 PM
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SPS
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Default Re: What is backspacing of a OEM 97-99 C5 18" Wheel? (Elk)

I must be measuring from the wrong end. I would have said 194mm.
Old 02-04-2002, 08:54 PM
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Iboomalot
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Default Re: What is backspacing of a OEM 97-99 C5 18" Wheel? (SPS)

you measure from the center out

if the wheel had a 0 offset then the back of the hub would be dead center of the wheel.
Old 02-05-2002, 12:18 AM
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Bill Dearborn
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Default Re: What is backspacing of a OEM 97-99 C5 18" Wheel? (Iboomalot)

56 and 61 look like the offset numbers not the backspacing.
Bill
Old 02-05-2002, 02:49 AM
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WALLstAL
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St. Jude Donor '05

Default Re: What is backspacing of a OEM 97-99 C5 18" Wheel? (Bill Dearborn)

My rear offset is 50mm with the GS 17X11 wheels!
Old 02-05-2002, 09:34 AM
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0racewheel
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Default Re: What is backspacing of a OEM 97-99 C5 18" Wheel? (wishinz)

7.5"
Old 06-26-2013, 10:59 AM
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Mike Zarnock
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Default

Originally Posted by Bill Dearborn
56 and 61 look like the offset numbers not the backspacing.
Bill
Bill is correct! Offset and backspacing are two different things.
Offset is the distance from the center of the wheel to where it bolts flush to the hub.
Backspacing is the distance the rim goes back over the hub toward the spring.
Here is a link to calculate offset.
http://www.corvettecentral.com/wheel-offset/

Here is a link that shows how to measure backspacing.
http://blog.zip-corvette.com/corvett...-back-spacing/

Last edited by Mike Zarnock; 06-26-2013 at 11:02 AM.

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