CO-883671 - COMP CAM FITS HOLDEN V8 304 EFI SOLID MECHANICAL F280-2
CO-883671
 
Part Number: CO883671 Grind Number:  
Engine Identification:    
Start Yr. End Yr. Make Cyl Description
1988 1997 Holden 8 Fair to rough idle. Broad power band with good low end and mid range performance. Use 10:1-11:1 comp. Has run 10s in Commodores. Will RPM 7500+
Engine Size Configuration  
304cu. In. V  
Valve Setting: Intake - .026 Exhaust - .026 Hot/Cold - HOT
Lift: Intake @Cam 3454 @Valve 553 All Lifts are based
on zero lash and theoretical rocker arm ratios.
  Exhaust @ Cam 3514 @Valve 562
Rocker Arm Ratio 1.60    
Cam Timing: TAPPET .020
Lift:   Opens Closes ADV Duration
  Intake 31.0 BTDC 96.0 ABDC 280.0
  Exhaust 71.0 BBDC 33.0 ATDC 284.0
Spring Requirements:
Part Number 99893
Loads Closed 130 LBS @ 1.850 or 1 27/32
  Open 326 LBS @ 1.330    
Recommended RPM range with matching components
Minimum RPM 3400
Maximum RPM 7000
Valve Float 7600
Cam Timing: TAPPET  @.050
Lift:   Opens Closes Max Lift Duration
  Intake 16.0 BTDC 48.0 ABDC 105 244.0
  Exhaust 56.0 BBDC 12.0 ATDC 113 248.0