18" Stock Backspacing

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Old 08-02-2008, 05:28 PM
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18" Stock Backspacing

Whats the backspacing on the stock 2007 18" FX4 wheels ...52..53...????
 
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Old 08-02-2008, 05:54 PM
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Backspacing is 5.5" on those wheels.
 
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Old 08-03-2008, 01:20 AM
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Originally Posted by kingfish51
Backspacing is 5.5" on those wheels.
Ok tire guy told me that they had 52 offset which using a tire calc comes out to 6.3 BS. If I use 5.5 offset it comes out to 33. ???
 
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Old 08-03-2008, 06:30 AM
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Confused here??? offset gives you 33 for what?

FWIW, I measured the distance from the wheel mounting flange surface to the back edge of the wheel, on my extra set of 18" Lariat wheels. It measures 6". I'll assume the 5.5" is actually the distance to the back edge of the bead vs the back edge of the wheel casting. Is that how backspacing is figured?
 
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Old 08-03-2008, 07:03 AM
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Old 08-04-2008, 06:01 AM
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That answers that. Thanks
 



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