We use SRF in both our track day cars and our race car. The main reason we like SRF over the other fluids is because you can basically do a flush once a year, and then bleed as needed, and never have to worry about the fluid boiling. It really is the best stuff out there.
Motul RBF is a fantastic fluid, and generally you can't go wrong with it. If you do boil it (which can be tough to do), it's cheap enough to flush. We used to run Motul, and found that we would end up flushing the fluid 2-3 times a track season, and we would bleed pretty much at the end of every day.
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