I am using the 002/003 springs on my 1971 Demon 440 project. I have a spring relocation kit, mini-tubs, 1" lowering block, and a stock A-body 8 3/4" rear. Mickey Thompson 15x10 Draglites with 7" backspacing and 28x12 - 15 MT SR radials. No clearance problems at all. Here is a couple pictures.