I have 0" lift heavy-duty, greasable shackles on mu CJ, a VERY worthwhile investment, since the stock ones are weak. I do think the ride is a bit better with the grease. I think they are made by 4WD Hardware, but the Currie ones are nice too.
Not sure about the tranny juice, it's likely gear oil, which is what the Dana 300 uses. I forget and I'm too lazy to go the basement, but it's the usual 90W - blah blah blah, very common, as it is also used in the diffs.
'82 Scrambler - NV4500/4.5" lift/33" Toyo MTs/4.0/twin stick, and my windshield washers work! Full 1/2 cab Cage
2004 Grand Limited 4.7 HO - OH Boy!
2010 Grand Laredo 5.7 Hemi - SICK - work vehicle -gone - replaced by an 08 Tahoe - nice ride.
"Both my Doberman and my Jeep can accurately be described as 'black and rust.'"
"I got a fever . . . and the only prescription is more cowbell"