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Old 11-01-2007, 08:03 AM   #8
OLDCHEV4X4
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Join Date: Apr 2000
Location: Chester County PA, USA
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Re: 70 3/4 ton 4 x 4 drum to disk question

The bolt circle that the spindle bolts to on a drum brake knuckle, is clocked differantly than a disc brake knuckle. These bolts also hold the disc brake caliper mount on. So if you have a open knuckle d44 disc brake axle, swap everything from the knuckles out, onto your drum brake axle.
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