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• CAMSHAFT: Performer RPM
• CATALOG #7157
• ENGINE: Pontiac 389-455 c.i.d. V8
• RPM RANGE: 1500-6500
• CAUTION: Do not use dual valve springs.
Use only recommended Edelbrock Sure Seat
Valve Springs #5757.
Use stock ratio rocker arms only.
Duration at .006" Lift: Intake 308° Exhaust 320°
Duration at .050" Lift: Intake 231° Exhaust 240°
Lift at cam: Intake .313" Exhaust .313"
Lift at valve: Intake .470" Exhaust .470"
Timing at .050 Lift:
Open Close
Intake 3° BTDC 48° ABDC
Exhaust 54° BBDC 6° ATDC
Centerlines:
Lobe Separation: 113.5°
Intake Centerline: 112°
• CAUTION: Use Edelbrock Performer-Link Timing Chain
and Gear Set #7812. Do not use late model timing chain &
gear sets that are designed for emission-controlled engines.
These timing sets are machined in a retarded position and
are not recommended for this camshaft installation.
Edelbrock Timing Sets feature three keyways for specified
timing selection. Use "0" position for most applications.
• CAMSHAFT: Performer RPM
• CATALOG #7157
• ENGINE: Pontiac 389-455 c.i.d. V8
• RPM RANGE: 1500-6500
• CAUTION: Do not use dual valve springs.
Use only recommended Edelbrock Sure Seat
Valve Springs #5757.
Use stock ratio rocker arms only.
Duration at .006" Lift: Intake 308° Exhaust 320°
Duration at .050" Lift: Intake 231° Exhaust 240°
Lift at cam: Intake .313" Exhaust .313"
Lift at valve: Intake .470" Exhaust .470"
Timing at .050 Lift:
Open Close
Intake 3° BTDC 48° ABDC
Exhaust 54° BBDC 6° ATDC
Centerlines:
Lobe Separation: 113.5°
Intake Centerline: 112°
• CAUTION: Use Edelbrock Performer-Link Timing Chain
and Gear Set #7812. Do not use late model timing chain &
gear sets that are designed for emission-controlled engines.
These timing sets are machined in a retarded position and
are not recommended for this camshaft installation.
Edelbrock Timing Sets feature three keyways for specified
timing selection. Use "0" position for most applications.
• CAMSHAFT: Performer RPM
• CATALOG #7157
• ENGINE: Pontiac 389-455 c.i.d. V8
• RPM RANGE: 1500-6500
• CAUTION: Do not use dual valve springs.
Use only recommended Edelbrock Sure Seat
Valve Springs #5757.
Use stock ratio rocker arms only.
Duration at .006" Lift: Intake 308° Exhaust 320°
Duration at .050" Lift: Intake 231° Exhaust 240°
Lift at cam: Intake .313" Exhaust .313"
Lift at valve: Intake .470" Exhaust .470"
Timing at .050 Lift:
Open Close
Intake 3° BTDC 48° ABDC
Exhaust 54° BBDC 6° ATDC
Centerlines:
Lobe Separation: 113.5°
Intake Centerline: 112°
• CAUTION: Use Edelbrock Performer-Link Timing Chain
and Gear Set #7812. Do not use late model timing chain &
gear sets that are designed for emission-controlled engines.
These timing sets are machined in a retarded position and
are not recommended for this camshaft installation.
Edelbrock Timing Sets feature three keyways for specified
timing selection. Use "0" position for most applications.
• CAMSHAFT: Performer RPM
• CATALOG #7157
• ENGINE: Pontiac 389-455 c.i.d. V8
• RPM RANGE: 1500-6500
• CAUTION: Do not use dual valve springs.
Use only recommended Edelbrock Sure Seat
Valve Springs #5757.
Use stock ratio rocker arms only.
Duration at .006" Lift: Intake 308° Exhaust 320°
Duration at .050" Lift: Intake 231° Exhaust 240°
Lift at cam: Intake .313" Exhaust .313"
Lift at valve: Intake .470" Exhaust .470"
Timing at .050 Lift:
Open Close
Intake 3° BTDC 48° ABDC
Exhaust 54° BBDC 6° ATDC
Centerlines:
Lobe Separation: 113.5°
Intake Centerline: 112°
• CAUTION: Use Edelbrock Performer-Link Timing Chain
and Gear Set #7812. Do not use late model timing chain &
gear sets that are designed for emission-controlled engines.
These timing sets are machined in a retarded position and
are not recommended for this camshaft installation.
Edelbrock Timing Sets feature three keyways for specified
timing selection. Use "0" position for most applications.