Sorry Randy - don't have any useful input but I'm subscribing.
I had experience with the old Pagid Orange - too temperamental.
I prefer PFC97 - I drive my car to/from track as well (but no "normal" street driving), and the PFC works way better because they dont need as much temp as the Pagid and its more quiet for my car.
Only down side is: it allegedly is not as rotor friendly as the newer Pagid (though its about half the price).
87 930 K27HFS/B&B/Twin-Plug... Megasquirted