Joe, new springs are positively in need of replacement! You have added a lot of weight up front and your alignment is out. Solid body bushings... yea that will transmit lack of a comfy ride. If solid mounts are your choice, buy some Preparation H.
If you do take on this task, be very careful. A compressed spring carries a LOT of energy. An internal compressor will work. You will have to disassemble it once the spring is in place.
