BluePrint BP3830CTC1S GM 383 Dressed Engine, Vortec Heads, Flat Tappet Cam

GM 383 Dressed Engine - Cast Iron Vortec Heads - Flat Tappet Cam

Overview

• HP & Torque: 405 HP / 440 FT LBS
• Compression Ratio: 9.5:1
• Cast Iron Heads
• Flat Tappet Cam
• Cast Steel Crank
• Part #: BP3830CTC1S

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 .508 Exhaust
• 234 Intake / 244 Exhaust duration
• @ .050 - 112 degree lobe separation

Ignition Timing

• 34 degrees at 3500 RPM

Also Includes

• Aluminum intake manifold
• Distributor
• 750cfm carburetor
• New chrome valve covers
• Brass freeze plugs
• Dyno tested “ and shipped with results

Warranty Information (PDF)

Warranty Information (PDF)