Thanks Bob. My spring perch is similar to the one in the photo, infact it's a little higher off the crossmember. I got the 11" from the 5" ride height I wanted left my spindle at 6 3/8" off the ground. I knew the center of my front tire would be just over 12" with a 25" diameter tire. So I figured that spindle needed to come up another six inches. If I raised the chassis evenly to accomplish this it turned my 5" ride height into 11". I was wondering how much the spring would collapse? It's a 4 leaf 27" spring. The car will have a SBC with an aluminum bell housing and a Saginaw 3spd. I am going for that belly pan dragging look with the center of the frame being as low as possible. If the weight of the vehicle compressed the spring so the bottom of the axle would be close to the bottom of the frame, that would be great. Maybe Z'ing this thing and the spring collapse will be enough to get me where I want. What do you think? Thanks agin.