Tundra or 4runner coils on 5100's for lift?

Just picked up some Bilstein 5100's for my 2001 Tacoma, but only got ~2" of lift using stock coils.

My local junkyard has both a Tundra and a couple 4runners; I heard somehwewe the tundra springs were like 800# coils (but progressive). What are 4runner coils rated at, and which would be best for getting 3" lift with no weight up front?

 

I kind of doubt the 4runner coils will yield lift, depending on the model year they wont fit. 800lbs is way too stiff. I'm running Eibach 620lbs and they're pretty stiff. 800lbs wouldn't travel at all.

 

eibach/toytecs