Across a couple timing belt changes along with the springs. Also LitlElvis has done a fair bit of work on diagnosing the "normal" VTC noise issue and come to the conclusion that those springs don't do much.
-Dan
"Capitalization is the difference between helping your Uncle Jack off a horse, and helping your uncle jack off a horse." "'she' also likes to swap since I think I am going to need to give her to woody again." - Dvlhntr "full alphabetic boost mode" - ChristopherTheOne " Purrs like a sexually satisfied black panther." - BigTDogg "Two oil eating, angry, spinning triangles of death." - turtleboy on rotary engines