If you want to gain some speed on your Black Ice then get a floating yoke cable and string from gibblet, put them on as well as the CSS from Meanv over on AT.

Before I changed mine out I was getting 264fps with the change I am now shooting 274fps thats in target mode with a Speciality Archery Hooded ball peep with a #2 clarifier which weighs around 15 to 20 grains nothing else on the string apart from a string loop, bow weight 60lb 28" draw with 316gr arrows and the bow is whisper quite