DynoCams MOD1, Welded Lobe 13 HP Cam, Fits GX390, Predator 420, 13-16HP Clone

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 Fits 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.