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

How do you measure wheel backspacing?

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Old Aug 24, 2001 | 05:22 PM
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96VegasVette's Avatar
96VegasVette
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Default How do you measure wheel backspacing?

What is the Grand Sport Offset and what is the ZR-1 Offset,
THanx,
Allen
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Old Aug 24, 2001 | 07:38 PM
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GlockLT4
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Default Re: How do you measure wheel backspacing? (96VegasVette)

i'm thinking GS is around 50mm and ZR-1 is around 30mm. Not quite sure though... i know someone else will know this. i've seen it in a thread before.
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Old Aug 24, 2001 | 09:37 PM
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Default Re: How do you measure wheel backspacing? (96VegasVette)

The easiest way to measure backspace is to lay the wheel face down onto the ground so the backside of the wheel is facing up. Take a straight edge and lay it diagonally across the top of the wheel (what would be the inboard flange of the wheel). Take a tape measure and measure the distance from where the straight edge contacts the inboard flange to the hub mounting pad of the wheel. This measurement is backspace.

here's a link to a pretty descriptive site

paul
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Old Aug 25, 2001 | 02:14 AM
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Default Re: How do you measure wheel backspacing? (SLEV89)

Thank you.
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