Q for cam experts:
Part Number: 114112 Grind Number: POWERMAX 2020 (FORMERLY COM
Engine Identification:
Start Yr. End Yr. Make Cyl Description
1981 1987 CHEVROLET 8
GREAT FOR 305 AND 350 ENGINES IN CARS, LIGHT AND INTERMEDIATE TRUCKS WITH OPTIONAL GEARING. GOOD LOW AND MID-RANGE TORQUE AND HP. (50 STATE LEGAL IN 81-87 CAR AND 81-92 TRUCK, 267-350 APPLICATIONS ONLY. C.A.R.B. E.O. D-225-19)
BASIC RPM 1000-4000
Engine Size Configuration
267-350 C.I. V
Valve Setting: Intake .000 Exhaust .000 HOT
Lift: Intake @Cam 267 @Valve 401
All Lifts are based on zero lash and theoretical rocker arm ratios.
Exhaust @ Cam 282 @Valve 423
Rocker Arm Ratio 1.5
Cam Timing: -- @--
Lift: Opens Closes ADV Duration
Intake -- -- 254 °
Exhaust -- -- 264 °
Spring Requirements: Triple Dual Outer Inner
Part Number 99848
Loads Closed 114 LBS @ 1.700 or 1 45/64
Open 287 LBS @ 1.300
Recommended RPM range with matching components
Minimum RPM 800
Maximum RPM 4400
Valve Float 5000
Cam Timing: TAPPET @.050
Lift: Opens Closes Max Lift Duration
Intake (7) ATDC 21 ABDC 104 194 °
Exhaust 26 BBDC (2) BTDC 104 204 °
What would this mean as far as performance compared to the stock cam?
Part Number: 114112 Grind Number: POWERMAX 2020 (FORMERLY COM
Engine Identification:
Start Yr. End Yr. Make Cyl Description
1981 1987 CHEVROLET 8
GREAT FOR 305 AND 350 ENGINES IN CARS, LIGHT AND INTERMEDIATE TRUCKS WITH OPTIONAL GEARING. GOOD LOW AND MID-RANGE TORQUE AND HP. (50 STATE LEGAL IN 81-87 CAR AND 81-92 TRUCK, 267-350 APPLICATIONS ONLY. C.A.R.B. E.O. D-225-19)
BASIC RPM 1000-4000
Engine Size Configuration
267-350 C.I. V
Valve Setting: Intake .000 Exhaust .000 HOT
Lift: Intake @Cam 267 @Valve 401
All Lifts are based on zero lash and theoretical rocker arm ratios.
Exhaust @ Cam 282 @Valve 423
Rocker Arm Ratio 1.5
Cam Timing: -- @--
Lift: Opens Closes ADV Duration
Intake -- -- 254 °
Exhaust -- -- 264 °
Spring Requirements: Triple Dual Outer Inner
Part Number 99848
Loads Closed 114 LBS @ 1.700 or 1 45/64
Open 287 LBS @ 1.300
Recommended RPM range with matching components
Minimum RPM 800
Maximum RPM 4400
Valve Float 5000
Cam Timing: TAPPET @.050
Lift: Opens Closes Max Lift Duration
Intake (7) ATDC 21 ABDC 104 194 °
Exhaust 26 BBDC (2) BTDC 104 204 °
What would this mean as far as performance compared to the stock cam?
Jake











