We put back the disk and the pressure plate (without the wire/weights this time) and a new bearing.The result.......very smooth changes in gears and accurate,clamping power the same,I feel like I drive a completely different truck. Now about the wire/weight purpose that is to give the pressure plate more holding power at higher RPM's while still able to have a good light peddle pressure at ideal........If I had a porsche or a 3000cc  BMW I might be a bit troubled .....I personally think the wire/weight part is useless and dangerous for the good performance of the clutch,especially when we are reffering to 4X4 , off-road driving,and 1600cc.........