I'm a huge fan of the Layer System and just enjoyed your article on the Bulgarian System. Thanks for putting this info out there!
To address the bodybuilding deficiencies of the Bulgarian System while keeping the frequency, could someone employ a Bulgarian Layer System where you spread the layers out over multiple days?
Monday: Ramp to 3RM
Bench Press: ramp to 3rm
Squat: ramp to 3rm
Deadlift: ramp to 3rm
Bench Press: 100% 3rm x 3 cluster sets
Thursday: Extended Sets
Bench Press: 70% x 3 extended sets
Friday: Speed HDL
Bench Press: 60% 3rm 8x3