ok,i've got a 12bolt out of a 74 1/2 ton kinda a budget rebuild,new seals ,crush sleave and the guy had to make a shim to get everything right.anyway time for lube.anybody know roughly how much one of these holds? are we talking 85w-140w?or?????i've saw royal purple and also slick 50 gear lube any benifits to these? thanks guys...........dave


1949 Chevrolet 3100

"When this thing hits 88 miles an hour, you're going to see some serious sh%t." -Doc Brown