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GM 383 Base Engine • Cast Iron Vortec Heads • Flat Tappet Cam
$3,529
BP3830CT1 - GM 383 Base Vortec Heads
HP & Torque: 405 HP / 440 FT LBS
Compression Ratio: 9.5:1
Cast Iron Heads
Flat Tappet Cam
Cast Steel Crank
Part #: BP3830CT1

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

Rotating Assembly:

New cast steel crankshaft
Hypereutetic pistons
Chevy heavy beam rods with 150,000 psi bolts
Hastings Moly rings
Balanced rotating assembly
Melling high volume oil pump
Flat tappet hydraulic lifter camshaft
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
1.5 long slot, stamped steel rockers
Hardened push rods

Cam Specs:

Cam Type: Flat Tappet
.487 Intake .503 Exhaust
234 Intake / 244 Exhaust duration
@ .050 - 112 degree lobe separation

Ignition Timing:

34 Degrees Total  at 3500 RPM

Also Includes:

Aluminum intake manifold
New chrome 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.

Not for use in pollution controlled vehicles.

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