Which dual plane intake, Performer or RPM? And just how mild is your cam? QUOTE]
I have a edelbrock performer rpm dual plane intake. here's a link to the one I have.
http://store.440source.com/Edelbrock-Performer-RPM-Intake-Manifold-RB-Engines/productinfo/146-1000/
As for the cam, its a custom ground cam. here's the specs I have.
Grind: HIFLOW1H
LOBE SEPERATION ANGLE : 108
OVERLAP : 80
INTAKE OPEN : 40
EXHAUST CLOSES : 40
INTAKE CLOSES : 76
EXHAUST OPENS : 76
RUNNING CLEARANCE : 0.00 HOT
VALVE LIFT (INT/EXH) : 0.472 / 0.472
DURATION (INT/EXH) : 296 / 296
CHECKING FIGURES AT .050 TAPPET RISE
OVERLAP : 12
INTAKE OPENS : 6
EXHAUST CLOSES : 6
INTAKE CLOSES : 42
EXHAUST OPENS : 42
DURATION INTAKE : 228
DURATION EXHAUST : 228
LOBE LIFT INTAKE : .315
LOBE LIFT EXHAUST : .315
INTAKE CENTERLINE : 108
ROCKER ARM RATIO : 1.50