There are instructions with the GC's when you get them and they convey the same idea as Andy said.
Hacksaw (or bandsaw as I did) works best, die grinders take to long and are dangerous in this situation both to you and the strut.
2000 SVT Turbo 295hp/269ftlb@12psi
#1 for Bendix Brakes Kits!
Knuckles rebuilt w/new bearings $55
AUSSIE ENDLINKS $70
Gutted pre-cats $80/set
A lack of planning on your part does not constitute an emergency on mine!