Originally Posted by Geezer
The dead coils can also play an important roll of keeping the spring seated especially under rebound conditions (most dead coils are only dead under load, when free (aka free length) there's usually some space between each coil). People have cut springs and literally seen them fall out when the suspension becomes unloaded (e.g. going over a hill) due to a lack of adequate length to hold them in.
along these lines. are you using lowering shocks, or oem. OEM shocks are too long, will droop too much, and you spring may fall out. many aftermarket shocks matched to lowering springs are them selves shorter.