Stupid newbie question, sorry. How do you tell the difference between full size Bronco coils and EB coils? Is there a difference other than spring rate? I've searched here and on Google with no luck.

I'm converting my Scout II to coils. I put weight on the front this weekend (I'm running a 460/C6/203/205) what I thought were stock FSB coils settled a good 3". Is this normal for a stock FS coil, or do I have EB coils? I need to buy taller springs now, but I want to be sure of what I'm starting with.

Again, sorry for the newbie question, but thanks in advance for the help.