Rear Suspension?

[HEAVCHEV3]

1)Dealing with the trying to get the rear coils out. The bolts are a beast of course so it looks like Im going to have to cut the coils out my ? is if I cut the colis out to drill out the bolts will the truck come down (I'm not a mech) will it stay at that height. The truck is supported buy 2 stands and jack on the diff.

2) I was able to get some Rubicon springs for cheap retainer doesn't fit coil of course so ? those of you who are using jeep springs are you using the c10 factory coil retainers , are you guys using the jeep retainers,or did you make your own? any pics of any installed would be a great help. 63 step any help would be appreciated.