Those springs are not even close to right.
small block chevy spring or something!
You needed these 1.90 installed height
http://www.compperformancegroupstores.co...;Category_Code=

and got these 1.70 installed height
http://www.compperformancegroupstores.co...;Category_Code=

about .200 difference on the install height?? either you had no seat pressure or you were going to coil bind?? someting wrong hear?? diameter of the spring is .250 too small as well.