In my experience I have found that clearance at ride height is good, but clearance under 3" of compression is where you need to be looking.

You are fine with 1/4"-3/8" clearance from the leaf. That stays mostly static when driving.


-'02 Dodge Viper Ex-World Challenge racecar
-'73 Duster, 6.1 based 392 hilborn hemi, tko600, full floater rear 9", Hellwig custom bars, viper brakes, built for road course