Dyno Cams Camshaft 275 Grind, Welded Lobe, GX390, Predator 420cc

This cam is used in mild modified applications. It will require an upgraded spring package, billet rod, and billet flywheel.
The lobes are welded to increase durability, extending the life of this cam.

Specs
Engine: 390cc OHV Clone 13HP
Recommended Class: Modified
Target (MAX) RPM: 6500
Spring Pressure (In / Ex): 32 lbs Single Spring
Valve Lash (In/Ex): .003"
Ignition Timining: 93 Octane 28 Deg BTDC
110 Octane 32 Deg BTDC
Methanol 36 Deg BTDC
Compression Ratio: 10.2 to 1

Profile
Intake Exhaust
Open: 50.0 BTDC 88.5 BBDC
Close: 88.0 ABDC 50.0 ATDC
Lift: .276" .276"
C/L: 108.0 ATDC 110.0 BTDC
DUR @ 50: 239.5 Deg 238.8 Deg