1975 360 bottom end power

Some updates I have:

Intake - performer rpm
Carb - edelbrock 600cfm (4053 I believe)
Timing 0 set at ~ 12
Idle: 900-1000 rpm
Cam - Performer RPM
DURATION AS ADVERTISEDINTAKE: 308°EXHAUST: 318°DURATION @ .050INTAKE: 234°EXHAUST: 244°LIFT @ CAM (Lobe)INTAKE: 0.325"EXHAUST: 0.34"LIFT @ VALVEINTAKE: 0.488"EXHAUST: 0.51"LOBE SEPERATION: 112°INTAKE CENTERLINE: 107°IDLE VAC @ 1000 RPM: 10"