Odd you should ask as I was considering doing the same.
Done loads of Classics and Disco's in situ so dont see why not.
Although having the EAS software and cable will be a bonus with a P38 bearing replacement...
Go into heights tab, that way you can just raise or lower front as required but only do it 2 clicks per side to raise/lower equally, a must is to use stands each time. I'd place them right in front if you have 6 ton or behind front wheels on chassis is using the smaller 3 ton stands.
Before going ahead I would check oil pressure 1st with a gauge, its a bugger to carry out as you need to remove alt and bracket, remove oil pressure switch and attach gauge, also a slightly low oil pressure can be caused by worn rocker shafts