Need Advise - Do I need a C Notch

[BLUE SQUARE]

I will be lowing my 87 swb 5/7 or 5/6 based on which hole I use in the shackle. I will be buying a Western Chassis Flip Kit and keeping a full spring pack. Then adding the 2" shackles. I've read a couple of members threads where they did not use the C Notch (BiggArmz is one). My truck has a towing package and I may have to tow a vehicle once in a great while. I'm just not sure if a Notch is absolutely necessary. Will just removing the bumb stops give me enough clearance to load or tow anything? Please let me know your experience with this.