I know that this topic may have been debated on this site quite a bit, but in 2019 terms here is the question. Everyone complains about the cost of running an TF/FC, and Torrence camp showed that any round on Sunday gets a new block. I am sure many of the other parts are used under the same guidelines, so this must force a team that can afford it, to run that way as well if they want to win. I know they also sell "used parts" to other teams not on the level that they are. Some teams running this way may not sell any and just use the worn parts on content qualifying, but how much would it decrease costs if parts were used until their death, and what effect would it possibly have on performance to run parts until they are used up and worn out?