
BluePrint Engines Chev 400 511HP Base Long Block Adder Engine # BP4003CT1
GM Small Block Compatible 400 c.i. Power Adder Engine - 511 Horsepower - Long Block
SKU: BP4003CT1
Horsepower & Torque: 511 Horsepower / 480 FT. LBS. Torque
Cylinder Heads: BluePrint Engines Aluminum Cylinder Heads
Compression Ratio: 9.5:1
Camshaft: Hydraulic Roller Cam - .555 Intake .577 Exhaust Lift and 236 Intake / 248 Exhaust Duration @ .050 - 1130 LSA
Pistons: Forged
Crankshaft: Forged Steel Crank - 3.750" Stroke and Forged 6.000" Rods
This power adder engine is engineered to handle any type of forced induction. Whether youre adding nitrous, a supercharger, or turbos, this long block has the strength and reliability to take the boost.
Description:
- Horsepower & Torque: 511 Horsepower / 480 FT. LBS. Torque
- Compression Ratio: 9.5:1
- Aluminum Heads
- Hydraulic Roller Cam
- Forged Steel Crank
- Forged Pistons
Block:
- BluePrint Engines High Strength Cast Iron Block
- Manufactured and Machined in the USA!
- 4-Bolt Main
- 4.125" Bore
- 1-Piece Rear Main Seal
- Mech Fuel Pump Provision: Yes
- Passenger Side Dipstick
- Drilled and Tapped for Clutch Linkage
Rotating Assembly:
- New BluePrint Forged Steel Crankshaft
- 3.750" Stroke
- 6.000" Forged Connecting Rods
- Forged Pistons
- Internal Front/ External Rear Engine Balance
- Dual Keyway Damper installed
Cylinder Heads:
- BluePrint Aluminum Cylinder Heads - HP8103
- 64cc Chamber
- 2.08" Intake / 1.60" Exhaust Valves
- 220cc Intake / 67cc Exhaust Runners
Cam Specs:
- Cam Type: Roller
- .555 Intake / .577 Exhaust Lift
- 236 Intake / 248 Exhaust Duration
- @.050-113 Degree Lobe Separation
- 1.6 Roller Rockers
Ignition Timing:
- 10-160 Initial and Total Timing 32-340 at 3500 RPM
Also Includes:
- Valve Covers
- Oil Pan
- Timing Cover
Notes:
- NEW BluePrint block manufactured and machined in the USA!
- Not for EGR.
- This engine is designed to be capable of running power adders - turbo chargers, Nitrous oxide, superchargers, blowers etc.
- Built with a Dual Keyway crankshaft. Balancer included.
- The performance aluminum cylinder heads on this engine feature a .500 raised port vs OEM.
GM Small Block Compatible 400 c.i. Power Adder Engine - 511 Horsepower - Long Block
SKU: BP4003CT1
Horsepower & Torque: 511 Horsepower / 480 FT. LBS. Torque
Cylinder Heads: BluePrint Engines Aluminum Cylinder Heads
Compression Ratio: 9.5:1
Camshaft: Hydraulic Roller Cam - .555 Intake .577 Exhaust Lift and 236 Intake / 248 Exhaust Duration @ .050 - 1130 LSA
Pistons: Forged
Crankshaft: Forged Steel Crank - 3.750" Stroke and Forged 6.000" Rods
This power adder engine is engineered to handle any type of forced induction. Whether youre adding nitrous, a supercharger, or turbos, this long block has the strength and reliability to take the boost.
Description:
- Horsepower & Torque: 511 Horsepower / 480 FT. LBS. Torque
- Compression Ratio: 9.5:1
- Aluminum Heads
- Hydraulic Roller Cam
- Forged Steel Crank
- Forged Pistons
Block:
- BluePrint Engines High Strength Cast Iron Block
- Manufactured and Machined in the USA!
- 4-Bolt Main
- 4.125" Bore
- 1-Piece Rear Main Seal
- Mech Fuel Pump Provision: Yes
- Passenger Side Dipstick
- Drilled and Tapped for Clutch Linkage
Rotating Assembly:
- New BluePrint Forged Steel Crankshaft
- 3.750" Stroke
- 6.000" Forged Connecting Rods
- Forged Pistons
- Internal Front/ External Rear Engine Balance
- Dual Keyway Damper installed
Cylinder Heads:
- BluePrint Aluminum Cylinder Heads - HP8103
- 64cc Chamber
- 2.08" Intake / 1.60" Exhaust Valves
- 220cc Intake / 67cc Exhaust Runners
Cam Specs:
- Cam Type: Roller
- .555 Intake / .577 Exhaust Lift
- 236 Intake / 248 Exhaust Duration
- @.050-113 Degree Lobe Separation
- 1.6 Roller Rockers
Ignition Timing:
- 10-160 Initial and Total Timing 32-340 at 3500 RPM
Also Includes:
- Valve Covers
- Oil Pan
- Timing Cover
Notes:
- NEW BluePrint block manufactured and machined in the USA!
- Not for EGR.
- This engine is designed to be capable of running power adders - turbo chargers, Nitrous oxide, superchargers, blowers etc.
- Built with a Dual Keyway crankshaft. Balancer included.
- The performance aluminum cylinder heads on this engine feature a .500 raised port vs OEM.
Original: $12,873.45
-65%$12,873.45
$4,505.71Description
GM Small Block Compatible 400 c.i. Power Adder Engine - 511 Horsepower - Long Block
SKU: BP4003CT1
Horsepower & Torque: 511 Horsepower / 480 FT. LBS. Torque
Cylinder Heads: BluePrint Engines Aluminum Cylinder Heads
Compression Ratio: 9.5:1
Camshaft: Hydraulic Roller Cam - .555 Intake .577 Exhaust Lift and 236 Intake / 248 Exhaust Duration @ .050 - 1130 LSA
Pistons: Forged
Crankshaft: Forged Steel Crank - 3.750" Stroke and Forged 6.000" Rods
This power adder engine is engineered to handle any type of forced induction. Whether youre adding nitrous, a supercharger, or turbos, this long block has the strength and reliability to take the boost.
Description:
- Horsepower & Torque: 511 Horsepower / 480 FT. LBS. Torque
- Compression Ratio: 9.5:1
- Aluminum Heads
- Hydraulic Roller Cam
- Forged Steel Crank
- Forged Pistons
Block:
- BluePrint Engines High Strength Cast Iron Block
- Manufactured and Machined in the USA!
- 4-Bolt Main
- 4.125" Bore
- 1-Piece Rear Main Seal
- Mech Fuel Pump Provision: Yes
- Passenger Side Dipstick
- Drilled and Tapped for Clutch Linkage
Rotating Assembly:
- New BluePrint Forged Steel Crankshaft
- 3.750" Stroke
- 6.000" Forged Connecting Rods
- Forged Pistons
- Internal Front/ External Rear Engine Balance
- Dual Keyway Damper installed
Cylinder Heads:
- BluePrint Aluminum Cylinder Heads - HP8103
- 64cc Chamber
- 2.08" Intake / 1.60" Exhaust Valves
- 220cc Intake / 67cc Exhaust Runners
Cam Specs:
- Cam Type: Roller
- .555 Intake / .577 Exhaust Lift
- 236 Intake / 248 Exhaust Duration
- @.050-113 Degree Lobe Separation
- 1.6 Roller Rockers
Ignition Timing:
- 10-160 Initial and Total Timing 32-340 at 3500 RPM
Also Includes:
- Valve Covers
- Oil Pan
- Timing Cover
Notes:
- NEW BluePrint block manufactured and machined in the USA!
- Not for EGR.
- This engine is designed to be capable of running power adders - turbo chargers, Nitrous oxide, superchargers, blowers etc.
- Built with a Dual Keyway crankshaft. Balancer included.
- The performance aluminum cylinder heads on this engine feature a .500 raised port vs OEM.




















