I want to ask if a lighten bottom engine pulley will worth the money ? I ve read that they can make an egine a lot more responsive ? Also in other forums I ve read that they don't worth it and also there is a chance of damaging the engine? My car is a 1.6 turbo inline 4 engine. My clutch and flywheel are stock also and I am not planning to change them as I have recently changed them with new ones due to worn