Because of the rules that the NF/Cs are using, the costs haven't gone up over the last six years that I've been involved...
The average ETs are still in the 5.90s-5.80s depending on track conditions...
The traveling expenses have increased - but the basic tune-ups for the cars haven't changed...
It's more competitive because there are now over 100 cars and many more guys have figured out their combinations...
Of course it's still liquid dynamite and we can use 100% , so the costs will always be more than other fuels...
Your right on Motorsports always improving technology , that's why even F-1 is constantly changing the rules to keep the speeds in line...
I say make a major change now to bring them back to just over 300 in the 1320 , and then let them work away at improving...