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Had the problem again at a track weekend in May. Ended up replacing the CPS and it seems to have solved the problem. I say "seems" because I haven't had a track weekend since replacement, but the shop that worked on it was able to duplicate the non-start, replaced the CPS and got the car hot without the return of the non-start. Bottom line is I'm pretty confident that the CPS was the problem. Hope it solves your problem and helps others out (before they replace the fuel pump first).
By the way, do you have a lightweight flywheel on your car? From my reading of others with the problem and discussions with the shop that worked on my car, when the CPS is ageing and getting out of spec, it's more of a problem with cars with the LW flywheel.
Finally, hat tip to Randy k for the right answer. I was hung up on the idea that I confirmed spark and assuming that the failure on the CPS would be not providing info (rather than providing wrong info) to the ignition.
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