BluePrint BP3834CT1 GM 383 Base Engine, Alum Heads, Flat Tappet Cam

True Blue Power! BluePrints pro engine builders are enthusiasts just like you and it shows in the quality and performance of every engine they build. Each BluePrint crate engine is carefully dyno tested and ships with printed, proven results. If you’re looking serious horsepower at an affordable price, BluePrint Engines is the choice for you!

GM 383 Base Engine - Aluminum Heads - Flat Tappet Cam

Overview

• HP & Torque: 420 HP / 450 FT LBS
• Compression Ratio: 10.0:1
• Aluminum Heads
• Hypereutectic Pistons
• Flat Tappet Cam
• Cast Steel Crank
• Part #: BP3834CT1

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
• Flat top hypereutetic pistons
• Chevy heavy beam rods with 150,000 psi bolts
• Hastings Moly rings
• Balanced rotating assembly
• Melling high volume oil pump
• Hydraulic flat tappet camshaft
• Heavy duty double roller timing set

Cylinder Heads

• BluePrint Performance aluminium
• Hardened retainers and springs
• 2.02 swirl polished intake valves
• 1.60 swirl polished exhaust valves
• BP Aluminum Part# H8002K

Ignition Timing

• 34 degrees total at 3500 RPM

Also Includes

• 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.