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Thread: 9" Ford specs

  1. #1
    Junior Member SHOW GUEST
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    Oct 2009
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    6

    9" Ford specs

    Could someone help me with torque specs on a 9" Ford center section to rearend housing? Ready to install, just need torque specs.
    Thanks

  2. #2
    Senior Member RACING JUNKIE
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    Nov 2008
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    Niagara Falls, NY
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    965
    Well you didn't say what third member that you have(stock,aftermarket iron, or aluminum) so here is what I have. This is straight from Richmond Gears instructions that came with my Pro gear set.

    7/16" Ring Gear Bolts : 60-65 ft/lbs
    1/2" Ring Gear Bolts : 100-110 ft/lbs.

    7/16" Carrier Cap Bolts : 60-65 ft/lbs.
    1/2" Carrier Cap Bolts : 80-85 ft/lbs.

    Here are the specs from Mark Williams for their aluminum center sections

    Standard Pinion Nut : 110-125 ft/lbs (max : 175 ft/lbs.)
    Large Pinion Nut : 140-170 ft/lbs. (max : 200 ft/lbs.)

    3/8" Pinion Housing Nuts : 30-35 ft/lbs.
    7/16" Pinion Nuts : 40-45 ft/lbs.

    1/2" Carrier Cap Bolts : 70-75 ft/lbs.


    Now here are the torque specs that I have with my Mark Williams aluminum thru bolt 9 1/2" center section (MW PN # 57448-95S) set up sheet. I'm using a 9" ring & pinion in it.

    1/2" Ring Gear Bolts : 110 ft/lbs.

    Carrier Bolts : 90 ft/lbs.

    7/16" Pinion Nuts : 45 ft/lbs.

    Large Pinion Nut : 160 ft/lbs.
    GOOD PARTS AREN'T CHEAP AND CHEAP PARTS ARE NEVER GOOD.........
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  3. #3
    Junior Member SHOW GUEST
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    Oct 2009
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    6
    Sorry, it's a Strange aluminum center section.
    Competition Engineering sheet metal housing w/ 3/8" studs.
    Thanks again.

  4. #4
    Senior Member EXPERT BUILDER gearhead1011's Avatar
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    Jan 2004
    Location
    Shepherdsville, KY
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    313
    45 ft lbs should be good for those.


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