My 3 trophys from racing on Yellowstuff last year, so yea total s**te. Lol
We ran the same set of discs all year, went through 2 sets of pads. That was around 12 hours of track time. the discs would of taken another set of pads before they got to the wear marker. So in our experiance they dont eat discs (so what if they do when Brembo HC's are £35)
They do have limitations. we started to get pad fade late on in the races, 25-30mins in, due to the heat build up, they then needed to be de-glazed before the next meeting. Thats why we are trying Bluestuff this season. For shorter stints yellow would be fine in our opinion.