My buddy has an F cam in his SD mustang and he runs 12's also.
I'll be putting a TFS stage 1 cam in my SD mustang this week and see how it goes.
Other than some slight idle problems I haven't seen anything wrong with my buddies car and the cam.
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88LX 5.0,C4,3200stall, BBK LT's, Race magnum bullets, K&N, ASP 3" Crank pulley, 3.73's, ram air, air bag, skinnies, battery in the hatch, 75hp NOS Dry Kit, Explorer intake
8.10@84 N/A 1/8th T-5
7.61@89 N2O 1/8th T-5
http://www.angelfire.com/ns/PurgingPony/50mainpage.html