Edelbrock 2281 User Manual
CAUTION: Do not use dual valve springs. Use recommended valve
springs with closed pressure of 120-130 lbs., open pressure of
320-340 lbs, and max lift of .700”. Use stock ratio rockers only.
Duration at .004" Lift: Intake 299° Exhaust 302°
Duration at .050" Lift: Intake 235° Exhaust 238°
Lift at cam: Intake .358" Exhaust .364"
Lift at valve: Intake .573" Exhaust .582"
Timing at .050 Lift: Open Close
Intake 11° BTDC 44° ABDC
Exhaust 56° BBDC 2° ATDC
Intake Centerline: 107° ATDC
Lobe Separation: 112°
CAUTION: Use Edelbrock Performer-Link Timing Chain and Gear
Set #7811 or 7814, Accu-Drive gear drive #7892, or Hex-A-Just
Timing Set #7335. Do not use late model timing sets 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.
Catalog #2281
Rev.4/07 - RS/mc
©2007 Edelbrock Corporation
Brochure #63-2281C
CAMSHAFT: Performer RPM Roller Hydraulic
CATALOG #2281
ENGINE: Ford 351 c.i.d. V8 (351W)
RPM RANGE: 1500-6500
CAUTION: Do not use dual valve springs. Use recommended valve
springs with closed pressure of 120-130 lbs., open pressure of
320-340 lbs, and max lift of .700”. Use stock ratio rockers only.
Duration at .004" Lift: Intake 299° Exhaust 302°
Duration at .050" Lift: Intake 235° Exhaust 238°
Lift at cam: Intake .358" Exhaust .364"
Lift at valve: Intake .573" Exhaust .582"
Timing at .050 Lift: Open Close
Intake 11° BTDC 44° ABDC
Exhaust 56° BBDC 2° ATDC
Intake Centerline: 107° ATDC
Lobe Separation: 112°
CAUTION: Use Edelbrock Performer-Link Timing Chain and Gear
Set #7811 or 7814, Accu-Drive gear drive #7892, or Hex-A-Just
Timing Set #7335. Do not use late model timing sets 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.
Catalog #2281
Rev.4/07 - RS/mc
©2007 Edelbrock Corporation
Brochure #63-2281C
CAMSHAFT: Performer RPM Roller Hydraulic
CATALOG #2281
ENGINE: Ford 351 c.i.d. V8 (351W)
RPM RANGE: 1500-6500
CAUTION: Do not use dual valve springs. Use recommended valve
springs with closed pressure of 120-130 lbs., open pressure of
320-340 lbs, and max lift of .700”. Use stock ratio rockers only.
Duration at .004" Lift: Intake 299° Exhaust 302°
Duration at .050" Lift: Intake 235° Exhaust 238°
Lift at cam: Intake .358" Exhaust .364"
Lift at valve: Intake .573" Exhaust .582"
Timing at .050 Lift: Open Close
Intake 11° BTDC 44° ABDC
Exhaust 56° BBDC 2° ATDC
Intake Centerline: 107° ATDC
Lobe Separation: 112°
CAUTION: Use Edelbrock Performer-Link Timing Chain and Gear
Set #7811 or 7814, Accu-Drive gear drive #7892, or Hex-A-Just
Timing Set #7335. Do not use late model timing sets 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.
Catalog #2281
Rev.4/07 - RS/mc
©2007 Edelbrock Corporation
Brochure #63-2281C
CAMSHAFT: Performer RPM Roller Hydraulic
CATALOG #2281
ENGINE: Ford 351 c.i.d. V8 (351W)
RPM RANGE: 1500-6500
CAUTION: Do not use dual valve springs. Use recommended valve
springs with closed pressure of 120-130 lbs., open pressure of
320-340 lbs, and max lift of .700”. Use stock ratio rockers only.
Duration at .004" Lift: Intake 299° Exhaust 302°
Duration at .050" Lift: Intake 235° Exhaust 238°
Lift at cam: Intake .358" Exhaust .364"
Lift at valve: Intake .573" Exhaust .582"
Timing at .050 Lift: Open Close
Intake 11° BTDC 44° ABDC
Exhaust 56° BBDC 2° ATDC
Intake Centerline: 107° ATDC
Lobe Separation: 112°
CAUTION: Use Edelbrock Performer-Link Timing Chain and Gear
Set #7811 or 7814, Accu-Drive gear drive #7892, or Hex-A-Just
Timing Set #7335. Do not use late model timing sets 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.
Catalog #2281
Rev.4/07 - RS/mc
©2007 Edelbrock Corporation
Brochure #63-2281C
CAMSHAFT: Performer RPM Roller Hydraulic
CATALOG #2281
ENGINE: Ford 351 c.i.d. V8 (351W)
RPM RANGE: 1500-6500
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