[greycoupe]

I need to know how many quarts does it take to fill up a 9 inch ford rear end, and what type of fluid most are using? I was thinking of using Royal Purple but I don't know what weight?

 

[GT 350]

I fill it till it come's back out of the fill hole- run it on the lift and recheck i use 80-90 mobil

 

[greycoupe]

Mine is a Moser built rearend with the fill hole on top.

 

[GT 350]

Mine is a Moser built rearend with the fill hole on top.

Thats not a fill hole its a inspection hole for your gears- though you can fill it that way-the center section should still have a plug!

 

[bigt540]

Just a little over 2-1/2 qts if your center section has the plug on the left side pull it and fill through the top till some comes out

 

[LSXS10]

does your 3rd member have a plug in the side of it? I take that plug out and fill it from the top of the housing ,just usein that as a level...

 

[GT 350]

Just a little over 2-1/2 qts if your center section has the plug on the left side pull it and fill through the top till some comes out

you cant go by that each one is built differant

 

[greycoupe]

thanks guys, it does have a plug on the side. So I can fill it till it comes out the side. Sweet Thanks!

 

[OutlawOlds]

Redline HD Shock Proof. It is pink in color. The stuff is incredible. If you have an inspection plug in the top fill it until it is about half way up on the spool. You also can run a little more backlash with the HD Shock Proof gear oil.

 

[BOSSFORD]

2.5 qts for 9''

 

[TOPLESS63]

i only run 2 quarts in my fab 9 75-140 ams-oil. never driven on street though