We discussed this question several years. Bad example are the chocks. We discussed this question half year. I used my titanium chocks 20 years. I had possibility to use its 50 years more.
People look for the cheapest way to win.
Ron Sherry will bet me with a 3 runners. I am afraid I can not bet him with a 100 runners. But I am sure less a number of runners is the way to less a speed. DN has a lot of parts of which be changed. Let us be careful.