comp cam in a small block
08-21-2012, 10:09 AM
#1
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comp cam in a small block
has anyone run a comp cam XM270HR Hyd Roller in a MPI small block ,, wondering about reversion ,,, cam specs.
RPM Range: 1500-5500
Valve Lash: Hyd
Valve Timing: 0.006
Intake Exhaust
Duration .270 .276
Duration @ .050" Lift: .218 .224
Valve Lift: .495 .503
Lobe Lift: .330 .335
Valve Timing @ 0.006 Lift:
Lobe Separation: 112deg
Intake Centerline: 110deg
RPM Range: 1500-5500
Valve Lash: Hyd
Valve Timing: 0.006
Intake Exhaust
Duration .270 .276
Duration @ .050" Lift: .218 .224
Valve Lift: .495 .503
Lobe Lift: .330 .335
Valve Timing @ 0.006 Lift:
Lobe Separation: 112deg
Intake Centerline: 110deg
08-21-2012, 07:06 PM
#2
I'm currently running a Crower EFI series roller cam (#00483LM) without reversion issues in a 377 stroker (standard bore, stroker crank, NOT a destroked 400)
RPM Range: 1500-6000
Peak TQ @ 3600 (for a 383 size motor)
Peak HP @ 5400 (for a 383 size motor)
Max RPM 5900 (for a 383 size motor)
Intake Exhaust
Duration 273 /284
Duration @ .050" Lift: 221 / 230
Valve Lift (1.5): .525 /.545
Lobe Lift: .350 .363
Lobe Separation: 114deg
Intake Centerline: 110deg
RPM Range: 1500-6000
Peak TQ @ 3600 (for a 383 size motor)
Peak HP @ 5400 (for a 383 size motor)
Max RPM 5900 (for a 383 size motor)
Intake Exhaust
Duration 273 /284
Duration @ .050" Lift: 221 / 230
Valve Lift (1.5): .525 /.545
Lobe Lift: .350 .363
Lobe Separation: 114deg
Intake Centerline: 110deg
