Anyone ever see these cams in action?
Part Number: 1449511 Grind Number: HR-206/294-2S-14.55
Engine Identification:
Start Yr. End Yr. Make Cyl Description
1997 Up CHEVROLET 8 SMOOTH IDLE WITH EXCELLENT LOW-END AND MID-RANGE TORQUE. ADVISED FOR 97-UP CORVETTES AND 98-UP CAMAROS AND FIREBIRDS WITH AUTOMATIC TRANSMISSION. BASIC RPM 1500-5000
Engine Size Configuration
5.7 L V
Valve Setting: Intake .000 Exhaust .000 HOT
Lift: Intake @Cam 294 @Valve 500 All Lifts are based
on zero lash and theoretical rocker arm ratios.
Exhaust @ Cam 294 @Valve 500
Rocker Arm Ratio 1.70
Cam Timing: TAPPET @.004
Lift: Opens Closes ADV Duration
Intake 21.0 BTDC 69.0 ABDC 270.0
Exhaust 73.0 BBDC 25.0 ATDC 278.0
Spring Requirements: Triple Dual Outer Inner
Part Number 144832
Loads Closed 112 LBS @ 1.800 or 1 13/16
Open 284 LBS @ 1.320
Recommended RPM range with matching components
Minimum RPM 1700
Maximum RPM 5200
Valve Float 5800
Cam Timing: TAPPET @.050
Lift: Opens Closes Max Lift Duration
Intake (6.0) ATDC 32.0 ABDC 109 206.0
Exhaust 46.0 BBDC (12.0) BTDC 119 214.0
Remarks:
FIRING ORDER: 1-8-7-2-6-5-4-3
Part Number: 1449531 Grind Number: HR-208/312-2S-13.53
Engine Identification:
Start Yr. End Yr. Make Cyl Description
1997 Up CHEVROLET 8 GOOD IDLE WITH INCREASED MID-RANGE AND UPPER RPM TORQUE AND HORSEPOWER. REQUIRES 144308-1 VALVE SPRING AND RETAINER KIT. FOR CORVETTE AND CAMARO-FIREBIRD APPLICATIONS WITH AUTO OR MANUAL TRANSMISSION. CYLINDER HEAD MODIFICATIONS AND/OR INCREASE DISPLACEMENT A WORTHWHILE ENHANCEMENT. BASIC RPM 1500-5500
Engine Size Configuration
5.7 L V
Valve Setting: Intake .000 Exhaust .000 HOT
Lift: Intake @Cam 312 @Valve 530 All Lifts are based
on zero lash and theoretical rocker arm ratios.
Exhaust @ Cam 312 @Valve 530
Rocker Arm Ratio 1.70
Cam Timing: TAPPET @.004
Lift: Opens Closes ADV Duration
Intake 25.0 BTDC 71.0 ABDC 276.0
Exhaust 75.0 BBDC 29.0 ATDC 284.0
Spring Requirements: Triple Dual Outer Inner
Part Number 144832
Loads Closed 112 LBS @ 1.800 or 1 13/16
Open 296 LBS @ 1.290
Recommended RPM range with matching components
Minimum RPM 1800
Maximum RPM 5300
Valve Float 5900
Cam Timing: TAPPET @.050
Lift: Opens Closes Max Lift Duration
Intake (4.0) ATDC 32.0 ABDC 108 208.0
Exhaust 46.0 BBDC (10.0) BTDC 118 216.0
Remarks:
FIRING ORDER: 1-8-7-2-6-5-4-3
Part Number: 1449511 Grind Number: HR-206/294-2S-14.55
Engine Identification:
Start Yr. End Yr. Make Cyl Description
1997 Up CHEVROLET 8 SMOOTH IDLE WITH EXCELLENT LOW-END AND MID-RANGE TORQUE. ADVISED FOR 97-UP CORVETTES AND 98-UP CAMAROS AND FIREBIRDS WITH AUTOMATIC TRANSMISSION. BASIC RPM 1500-5000
Engine Size Configuration
5.7 L V
Valve Setting: Intake .000 Exhaust .000 HOT
Lift: Intake @Cam 294 @Valve 500 All Lifts are based
on zero lash and theoretical rocker arm ratios.
Exhaust @ Cam 294 @Valve 500
Rocker Arm Ratio 1.70
Cam Timing: TAPPET @.004
Lift: Opens Closes ADV Duration
Intake 21.0 BTDC 69.0 ABDC 270.0
Exhaust 73.0 BBDC 25.0 ATDC 278.0
Spring Requirements: Triple Dual Outer Inner
Part Number 144832
Loads Closed 112 LBS @ 1.800 or 1 13/16
Open 284 LBS @ 1.320
Recommended RPM range with matching components
Minimum RPM 1700
Maximum RPM 5200
Valve Float 5800
Cam Timing: TAPPET @.050
Lift: Opens Closes Max Lift Duration
Intake (6.0) ATDC 32.0 ABDC 109 206.0
Exhaust 46.0 BBDC (12.0) BTDC 119 214.0
Remarks:
FIRING ORDER: 1-8-7-2-6-5-4-3
Part Number: 1449531 Grind Number: HR-208/312-2S-13.53
Engine Identification:
Start Yr. End Yr. Make Cyl Description
1997 Up CHEVROLET 8 GOOD IDLE WITH INCREASED MID-RANGE AND UPPER RPM TORQUE AND HORSEPOWER. REQUIRES 144308-1 VALVE SPRING AND RETAINER KIT. FOR CORVETTE AND CAMARO-FIREBIRD APPLICATIONS WITH AUTO OR MANUAL TRANSMISSION. CYLINDER HEAD MODIFICATIONS AND/OR INCREASE DISPLACEMENT A WORTHWHILE ENHANCEMENT. BASIC RPM 1500-5500
Engine Size Configuration
5.7 L V
Valve Setting: Intake .000 Exhaust .000 HOT
Lift: Intake @Cam 312 @Valve 530 All Lifts are based
on zero lash and theoretical rocker arm ratios.
Exhaust @ Cam 312 @Valve 530
Rocker Arm Ratio 1.70
Cam Timing: TAPPET @.004
Lift: Opens Closes ADV Duration
Intake 25.0 BTDC 71.0 ABDC 276.0
Exhaust 75.0 BBDC 29.0 ATDC 284.0
Spring Requirements: Triple Dual Outer Inner
Part Number 144832
Loads Closed 112 LBS @ 1.800 or 1 13/16
Open 296 LBS @ 1.290
Recommended RPM range with matching components
Minimum RPM 1800
Maximum RPM 5300
Valve Float 5900
Cam Timing: TAPPET @.050
Lift: Opens Closes Max Lift Duration
Intake (4.0) ATDC 32.0 ABDC 108 208.0
Exhaust 46.0 BBDC (10.0) BTDC 118 216.0
Remarks:
FIRING ORDER: 1-8-7-2-6-5-4-3




