406 Stroker Specs

Displacement 406.0ci
Bore x Stroke 4.155 x 3.750
Rotating assembly Probe forged-steel crank and rods
Pistons Probe forged
Compression 11.1:1
Heads Dart Pro 1 CNC, 227cc
Chamber volume 66cc
Carburetor 825-cfm Mighty Demon
Camshaft Comp Cams hydraulic roller
Valve lift 0.562/0.580 inch, intake/exhaust
w/1.6 rockers 0.600/0.619, intake/exhaust
Duration at 0.050 248/254 degrees, intake/exhaust
Lobe separation 110 degrees
DYNO DETAILS
HEADERS: 131/44-inch Hedman long-tubes
FUEL: 91-octane unleaded
ADVANCE: 37 degrees
INTAKE MANIFOLD: Edelbrock Victor Jr.,port-matched
CARBURETOR: 825-cfm Mighty Demon
JETTING: 83 primaries/87 secondaries
MAX TORQUE: 529.6 lb-ft at 4,900 rpm
MAX POWER: 574.2 hp at 6,500 rpm
AVERAGE TORQUE: 476.5 lb-ft
AVERAGE POWER: 434.1 hp