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DynoCams
DynoCams, MOD1 Grind, Welded Lobe GX390 Core Predator 420 13 HP Clone
PART NUMBER:
432139
Availability:
Ships same day if ordered before 12PM Eastern time.
In Stock Today:
2
Ships in:
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$144.95
This cam makes slightly more top end power than the 308 grind. This cam requires an upgraded spring package, billet rod, and billet flywheel.
Engine: 13HP Honda GX390
Specs
Engine: 390cc OHV Clone 13HP
Recommended Class: Modified / Open
Target (MAX) RPM: 7500
Spring Pressure (In / Ex): 48-50 lbs Dual Spring
Valve Lash (In/Ex): .003"
Ignition Timing: Pump Gas Not Recommended
110 Octane 32 Deg BTDC
Methanol 36 Deg BTDC
Compression Ratio: 12.2 to 1
Profile
Intake Exhaust
Open: 42.0 BTDC 78.0 BBDC
Close: 83.5 ABDC 46.0 ATDC
Lift: .310" .310"
C/L: 108.0 ATDC 108.0 BTDC
DUR @ 50: 247.6 Deg 247.6 Deg
THE LOBES ON THIS CAM ARE WELDED.
Processed and ground by the hard working employees of DynoCams in the USA.
DynoCams, MOD1 Grind, Welded Lobe GX390 Core Predator 420 13 HP Clone
$144.95
This cam makes slightly more top end power than the 308 grind. This cam requires an upgraded spring package, billet rod, and billet flywheel.
Engine: 13HP Honda GX390
Specs
Engine: 390cc OHV Clone 13HP
Recommended Class: Modified / Open
Target (MAX) RPM: 7500
Spring Pressure (In / Ex): 48-50 lbs Dual Spring
Valve Lash (In/Ex): .003"
Ignition Timing: Pump Gas Not Recommended
110 Octane 32 Deg BTDC
Methanol 36 Deg BTDC
Compression Ratio: 12.2 to 1
Profile
Intake Exhaust
Open: 42.0 BTDC 78.0 BBDC
Close: 83.5 ABDC 46.0 ATDC
Lift: .310" .310"
C/L: 108.0 ATDC 108.0 BTDC
DUR @ 50: 247.6 Deg 247.6 Deg
THE LOBES ON THIS CAM ARE WELDED.
Processed and ground by the hard working employees of DynoCams in the USA.
