I have a nine inch rear end out of a 1976 Bronco and apparently an early center section. There is no fill plug in the third member and so I will fill through the vent but my question is how much fluid. My books are telling me 6.5 pints. Anyone know for sure? Tim
Different housings take different amounts. They are not made the same. Some are smaller in the middle and some are larger. See if you can find a later chunk and measure the height of the fill plug and put one in yours.
The early 9 inch rear ends ('57 through '64) had the fill plug in the back of the housing. There was no plug in the case.
You can't just say that a certain amout will be fine for any 9 inch housing. Some have a full bowl cover on the back that will hold much more oil than the covers that are flat with a bulge for the ring gear. Some housings have a long tapered center and others have a small round center. These will hold different amounts of oil.
The early 9 inch rear ends ('57 through '64) had the fill plug in the back of the housing. There was no plug in the case.
You can't just say that a certain amout will be fine for any 9 inch housing. Some have a full bowl cover on the back that will hold much more oil than the covers that are flat with a bulge for the ring gear. Some housings have a long tapered center and others have a small round center. These will hold different amounts of oil.
You are correct to a point ,but the last 1500-2000 9" Fords I've done in my shop in the last 30 years,took "about" 2 1/2 quarts,it will be fine at that leval.....believe me...
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