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  1. JB21

    Adjusting height on AST sportline 1/4100

    Just got hold of a set of these but can't fathom how the height adjustment works. I get you move the collars up or down the strut, but in doing this it adds or reduces pre-load to the springs. Now if I move the collars down to much the springs aren't under load and are loose on the strut and if...