HP & Torque: 420 HP / 450 FT LBS
Compression Ratio: 9.5:1
Cast Iron Heads
Roller Cam
Cast Steel Crank
Block:
4 bolt main 1pc rear seal block w/Passenger side dipstick only
Square and parallel decked
Align honed main bearing bore
Cylinders honed on computer controlled machine to within .0002 straightness and roundness
Cylinders are sonic tested for thickness
1pc RMS
Rotating Assembly:
New cast steel crankshaft
Flat top hypereutetic pistons
Chevy heavy beam rods with 150,000 psi bolts
Hastings Moly rings
Balanced rotating assembly
Melling high volume oil pump
Roller camshaft
Roller tip rockers
Heavy duty double roller timing set
Cylinder Heads:
Cast iron Vortec heads
1.25 diameter valve springs
Hardened retainers and springs
2.02 swirl polished intake valves
1.60 swirl polished exhaust valves
Hardened push rods
Cam Specs:
Cam Type: Roller
.520 Intake .540 Exhaust
236 Intake / 242 Exhaust duration
@ .050
Ignition Timing:
34 degrees total (at 4000 RPM)
Also Includes:
Aluminum intake manifold
750 cfm carburetor
HEI Distributor
Harmonic balancer
Fuel pump
Water pump
BluePrint plug wires
Spark plugs
Chrome steel valve covers
Brass freeze plugs
Dyno test results shipped with engine
Warranty:
30 month / 50,000 mile
Notes:
This engine requires a 400ci weighted harmonic balancer, and late 350ci weighted flexplate/flywheel.
BluePrint Engines recommends a 2000- 2400 rpm stall converter.
This part fits most 1947 1948 1949 1950 1951 1952 1953 1954 1955 1956 1957 1958 1959 1960 1961 1962 1963 1964 1965 1966 1967 1968 1969 1970 1971 1972 Cars and Trucks.; exceptions may apply. Please read the complete description to see if this part fits your specific vehicle and application.
