ok i feel qualified to answer this. i have used heatsink blues and reds in v backings, also v flies. v flies give much more modulation and dont seam to be as powerfull. the heatsinks grabbed and held on everything, even on a grubby black rim.
f**k yoo budaaayy no way has that massive thing been demolished what the hell would be the point for a start? that would be masses of work. if they have the money i say its better spent on a rehab center in rhyll