Ready to purchase drop parts {PLEASE HELP}

[66farmer]

I need help, I have a 66 stepside that i want to lower with drop spindles and springs. It would help a lot if you guys could post (pictures and detailed drop info). Right now I'm leaning toward a 2.5" spindle and 2" spring in front and a 5" spring in the rear. I'm plaining on C notching the frame and installing CPP crossmember. If you have any input on the notch or croossmember I would appreciate it.

Thank you for your input.