Overview: 

BluePrint's BP38318CTC1 GM Small Block compatible performance crate engines is dyno tested to get 436 horsepower and 443 minimum torque values. This engine features a 4-inch bore which mathematically yields a 377ci with a 3.75-inch stroke. This engine comes with a Timing Cover, Valve Covers, Distributor, Dipstick, Oil Pan, Dual Plane Satin Aluminum Intake and Holley 750cfm Carburetor with Manual Choke. 

Description:

• Horsepower and Torque: 436 Horsepower / 443 ft. lbs. Torque 
• Compression Ratio: 10.0:1 
• BluePrint Engines Aluminum Heads
• BluePrint Engines Hydraulic Roller Cam
• BluePrint Engines Hypereutectic Pistons
  
• BluePrint Engines Cast Crankshaft

Block:

• BluePrint Engines High Strength Cast Iron Block
• Manufactured and Machined in the USA!
• Drilled and Tapped for Clutch Linkage
• Mech Fuel Pump Provision: Yes
• Passenger Side Dipstick
• 1-Piece Rear Main Seal
• 4-Bolt Main
• 4.000" Bore

Rotating Assembly:

• Cast Crankshaft
• 3.750" Stroke
• OEM type 5.700" Connecting Rods w/ 150,000 PSI Bolts
• Hypereutectic Pistons
• Externally Balance Front and Rear

Cylinder Heads:

• BluePrint Performance Aluminum Heads - H8002K
• 64cc Chamber
• 2.02 Swirl Polished Intake Valves
• 1.60 Swirl Polished Exhaust Valves
• Hardened Retainers and Springs

Cam Specs:

• Hydraulic Roller Cam
• .544 Intake / .555 Exhaust Lift
• 230 Intake / 236 Exhaust Duration
• @ .050-110 Degree Lobe Separation

Ignition Timing:

• Initial Timing 10-16° and Total Timing 32-34° at 3500 RPM

Also Includes:

• Holley Classic 750cfm Vacuum Secondary Carburetor w/ Manual Choke
• Dual Plane, Satin Aluminum Intake Manifold - BPP350VINT
  
• BluePrint Engines Chrome Valve Covers
• Melling High Volume Oil Pump
• New Chrome Timing Cover
• Distributor - BPP350RBK
  
• Passenger Side Dipstick
• Painted Oil Pan
• Dipstick
  

 

Notes:

• This engine features a true 4-inch bore, which mathematically yields 377 CID with a 3.75-inch stroke.
• Not for EGR.
• The Aftermarket intake manifold installed on this engine may not be compatible with OEM accessory brackets that use intake mounted bosses.
  
• The performance aluminum cylinder heads on this engine feature a .500 raised port vs OEM.