i have this in my car see photo. but recently bought T3/T4 turbo and i want it to fit sierra cosworth, but it did not come with the wastgate assembly to fit a cosworth can anyone help with where i can get the bit the will fit this and make it useable. wastgate conversion i think i am looking for?????? the bit which goes 5 bolt to 3 bolt appear to be like gold dust or noone knows what i mean. does anyone know????