Just a general question. what causes the "loping" sound of a cam.
Below are two cams, wich one will cause more of a loping sound and why.
lift
duration
lobe seperation
Basic Operating RPM Range: 2,500-6,000 RPM
Intake Duration 050 inch Lift: 228
Exhaust Duration 050 inch Lift: 238
Duration at 050 inch Lift: 228 int./238 exh.
Advertised Intake Duration: 290
Advertised Exhaust Duration: 300
Advertised Duration: 290 int./300 exh.
Intake Valve Lift with Factory Rocker Arm Ratio: 0.590
Exhaust Valve Lift with Factory Rocker Arm Ratio: 0.614
Valve Lift with Factory Rocker Arm Ratio: 0.590 int./0.614 exh. lift
Lobe Separation (degrees): 114
Product Line: Crane Racing Camshafts
Cam Style: Hydraulic flat tappet
Basic Operating RPM Range: 3,500-7,000 RPM
Intake Duration 050 inch Lift: 248
Exhaust Duration 050 inch Lift: 248
Duration at 050 inch Lift: 248 int./248 exh.
Advertised Intake Duration: 304
Advertised Exhaust Duration: 304
Advertised Duration: 304 int./304 exh.
Intake Valve Lift with Factory Rocker Arm Ratio: 0.599
Exhaust Valve Lift with Factory Rocker Arm Ratio: 0.599
Valve Lift with Factory Rocker Arm Ratio: 0.599 int./0.599 exh. lift
Lobe Separation (degrees): 108
Below are two cams, wich one will cause more of a loping sound and why.
lift
duration
lobe seperation
Basic Operating RPM Range: 2,500-6,000 RPM
Intake Duration 050 inch Lift: 228
Exhaust Duration 050 inch Lift: 238
Duration at 050 inch Lift: 228 int./238 exh.
Advertised Intake Duration: 290
Advertised Exhaust Duration: 300
Advertised Duration: 290 int./300 exh.
Intake Valve Lift with Factory Rocker Arm Ratio: 0.590
Exhaust Valve Lift with Factory Rocker Arm Ratio: 0.614
Valve Lift with Factory Rocker Arm Ratio: 0.590 int./0.614 exh. lift
Lobe Separation (degrees): 114
Product Line: Crane Racing Camshafts
Cam Style: Hydraulic flat tappet
Basic Operating RPM Range: 3,500-7,000 RPM
Intake Duration 050 inch Lift: 248
Exhaust Duration 050 inch Lift: 248
Duration at 050 inch Lift: 248 int./248 exh.
Advertised Intake Duration: 304
Advertised Exhaust Duration: 304
Advertised Duration: 304 int./304 exh.
Intake Valve Lift with Factory Rocker Arm Ratio: 0.599
Exhaust Valve Lift with Factory Rocker Arm Ratio: 0.599
Valve Lift with Factory Rocker Arm Ratio: 0.599 int./0.599 exh. lift
Lobe Separation (degrees): 108