1) That is the sanctioning bodies job to point out.
2) Refer to answer 1.
3) Xtreme already made an announcement you can find those on their website.
4) Hoosier did their part of the job they sent the benchmark in. It’s the benchmark for a reason.
5) It’s well known in the people who actually race circles. The person has a pretty good business running and doesn’t do just sprint car stuff nor own a sprint car team or drive one. This person is the main person that sells to sprint car people though as his formula seems to work the best at certain racetracks.