09-02-2013, 11:55 PM
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CC Member
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Join Date: May 2001
Location: California,
Ca
Cobra Make, Engine: NAF 289 Slabside Early Comp Car with 289 Webers and all the goodies. Cancelling the efforts of several Priuses
Posts: 6,592
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The Ford 9" is widely copied my many aftermarket drivetrain companies. However the OEM Ford Gear carrier has an oil fill plug on the LH side of the Gear Carrier "Pumpkin" or "Chunk". This is the fill port and used also to detrmine when it was full as the lubricant flows out when full. 2.8 qts is what I have read is necessary. When constructing an axle assembly threaded ports are often welded on the top & bottom for a drain and fill point. The vent can be relocated on the axle tube and a hose attached with a filter up high. Here is a good photo of my setup, the curved hose fit pefectly:
You can just barely see the edge of the OEM fill pipe plug behind the braided hose. As described above it is used for fill in standard application, I added the two bungs top & bottom that make it easier, and allow a little higher oil level.
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Rick
As you slide down the Banister of Life, may the splinters never be pointing the wrong way 
Last edited by Rick Parker; 09-03-2013 at 12:08 AM..
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