Want more power?

[albaniadiadem]

Im currently running lunati vodoo cam in a 355 with vortec heads, flattop pistons. Current cam specs are.

Basic Operating RPM Range: 1,000-5,500

Intake Duration at 050 inch Lift: 213

Exhaust Duration at 050 inch Lift: 219

Duration at 050 inch Lift: 213 int./219 exh.

Advertised Intake Duration: 256

Advertised Exhaust Duration: 262

Advertised Duration: 256 int./262 exh.

Intake Valve Lift with Factory Rocker Arm Ratio: 0.454 in.

Exhaust Valve Lift with Factory Rocker Arm Ratio: 0.468 in.

Valve Lift with Factory Rocker Arm Ratio: 0.454 int./0.468 exh.

Lobe Separation (degrees): 112


Im wanting more power and my question is how much HP will i gain from switching to one of these cams. Note my heads already have new springs to support a bigger lift.

Basic Operating RPM Range: 1,400-5,700

Intake Duration at 050 inch Lift: 219

Exhaust Duration at 050 inch Lift: 227

Duration at 050 inch Lift: 219 int./227 exh.

Advertised Intake Duration: 262

Advertised Exhaust Duration: 268

Advertised Duration: 262 int./268 exh.

Intake Valve Lift with Factory Rocker Arm Ratio: 0.468 in.

Exhaust Valve Lift with Factory Rocker Arm Ratio: 0.489 in.

Valve Lift with Factory Rocker Arm Ratio: 0.468 int./0.489 exh.


or this cam

Basic Operating RPM Range: 1,800-6,000

Intake Duration at 050 inch Lift: 230

Exhaust Duration at 050 inch Lift: 236

Duration at 050 inch Lift: 230 int./236 exh.

Advertised Intake Duration: 274

Advertised Exhaust Duration: 286

Advertised Duration: 274 int./286 exh.

Intake Valve Lift with Factory Rocker Arm Ratio: 0.490 in.

Exhaust Valve Lift with Factory Rocker Arm Ratio: 0.490 in.

Valve Lift with Factory Rocker Arm Ratio: 0.490 int./0.490 exh.

Lobe Separation (degrees): 110

or this

Basic Operating RPM Range: 1,800-6,200

Intake Duration at 050 inch Lift: 227

Exhaust Duration at 050 inch Lift: 233

Duration at 050 inch Lift: 227 int./233 exh.

Advertised Intake Duration: 268

Advertised Exhaust Duration: 276

Advertised Duration: 268 int./276 exh.

Intake Valve Lift with Factory Rocker Arm Ratio: 0.489 in.

Exhaust Valve Lift with Factory Rocker Arm Ratio: 0.504 in.

Valve Lift with Factory Rocker Arm Ratio: 0.489 int./0.504 exh.

Lobe Separation (degrees): 110