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Wheel size question.

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Old Apr 19, 2011 | 08:17 AM
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Texas_WS6's Avatar
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Default Wheel size question.

I have an 02 F-body that I have installed mini tubs in. I have a stock width Moser 9 inch in it. The tubs have opened up alot of room but the spring perch on the moser is going to limit the width of the wheel. I am also running offset Spohn control arms. I plan to run a 29.5X10.5 tire. I also plan to run 15" wheels all the way around. The wheel wells will be roled as wel.

What is the proper rim back spacing for my setup?
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Old Apr 19, 2011 | 10:59 AM
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Most people run a 7.5" backspace for a stock width rear. If you were narrowed 2" on each side you could go with a 5.5" BS
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Old Apr 19, 2011 | 04:09 PM
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Most of the 12" rims I like only have a back spacing option of 5.5 or 6.5. I spoke with Wolfe Racing were I got my tubs and they suggest to narrow the rear 3 inches on both sides and run 6.5 back spacing. I called Moser and for 125 bucks they will narrow it, plus 615 to get the new 33 spline axles, bearings, and spool I need for it. So 740 bucks and I am good to go.

Does anyone know were to get some 15x12 wheels with 7.5" back spacing? I would like to look them over before I send this rear end back to moser.

Thanks
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