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9inch rear question

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Old Aug 1, 2015 | 08:56 PM
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GMtechmatt's Avatar
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Default 9inch rear question

i have a 9inch rear narrowed 3inch'sperside what backspacing on rim is needed? this is in a 2002 z28 stock fbody brake system
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Old Aug 1, 2015 | 10:00 PM
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Stock width with a 10" wheel is 7.5". So if you run a 10". 4.5" would be the correct offset. Unless of course it's mini tubbed, then obviously you could run a much wider wheel, and play with the offsets.
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Old Aug 3, 2015 | 01:11 PM
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I'd suggest installing the rear end in the vehicle and measuring for proper backspacing. Purchasing wheels isn't cheap and it can be a hassle to return them if ordered wrong. Figuring proper back spacing is as easy as using two straight edges.
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