Product Summary
400, Long Block Crate Engine Type, 473 ft./lbs. Torque
- It has all aluminum heads and roller cams
- Rotating assembly balanced to within 2 grams
- Features a new forged crankshaft with 5.7″ connecting rods
- This GM 400 c.i. engine puts out 508 horsepower and 473 ft lb. of torque
- The cylinders honed on computer controlled machine to within .0002 straightness and roundness
BluePrint BP4002CTC1 details
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 400 – Base Dressed Engine – Aluminum Heads – Roller Cam
Overview
- HP & Torque: 508 HP / 473 FT LBS
- Compression Ratio: 10.3:1
- Aluminum Heads
- Forged Pistons
- Roller Cam
- Forged Crank
- Part #: BP4002CTC1
Block
- BRAND NEW BluePrint Cast Iron Block
- 4 Bolt Mains
- Square and parallel decked
- Align honed main bearing bore
- Cylinders are sonic tested for thickness
- Cylinders honed on computer controlled machine to within .0002 straightness and roundness
- 1-Piece Rear Main Seal
Rotating Assembly
- New forged crankshaft
- 5.7″ connecting rods
- 150,000 psi rod bolts
- Forged pistons
- Hastings moly rings
- Rotating assembly balanced to within 2 grams
- High volume oil pump
- Hydraulic roller cam
- Roller lifters
Cylinder Heads
- BluePrint aluminum – 64cc chamber
- Hardened retainers and springs
- 2.08 swirl polished intake valves
- 1.60 swirl polished exhaust valves
- BP Aluminum Head Part# H8103
Cam Specs
- Cam Type: Roller
- .553 Intake .576 Exhaust
- 236 Intake / 242 Exhaust duration
- @ .050 – 110° lobe separation
- 1.6 Roller rockers
Ignition Timing
- 10-16° inital and total timing 32-34° at 3500 RPM
Also Includes
- Intake Manifold – dual plane, satin aluminum
- Carburetor – Holley 850cfm HOLLEY 04781/ MANUAL CHOKE
- Valve covers, oil pan and timing cover
- Brass freeze plugs
- Dyno test results shipped with engine
Warranty
- 30 month / 50,000 mile
Notes
NEW BluePrint block manufactured and machined in the USA!Not for EGR
Charts
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Warranty Information (PDF)
Warranties
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Warranty Information (PDF)
Installation Tips
- 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.
KEY SPECS |
|
|---|---|
| MFG. Part # | BP4002CTC1 |
| Brand | BluePrint Engines |
| Crate Engine Type | Long Block |
| Engine Displacement | 400 cu. in. |
| Horsepower | 508 horsepower |
| Compression Ratio | 10.3:1 |
| Torque | 473 ft./lbs. |
| Camshaft Type | Hydraulic Roller Tappet |
| Cylinder Head Material | Aluminum |
| Piston Material | Forged Aluminum |
| Crankshaft Material | Forged Steel |
| Camshaft Duration (.050 in) | 236° intake / 242° exhaust |
| Camshaft Lift (in) | .555 intake / .576 exhaust |
| Intake Manifold Included | Yes |
| Distributor Included | Yes |
| Valve Covers Included | Yes |
| Cylinder Heads Included | Yes |
| Rear Main Seal Style | 1-piece |
| Oil Pan Included | Yes |
| Timing Cover Included | Yes |
| Water Pump Included | No |
| Harmonic Balancer Included | No |
| Flexplate Included | No |
| Flywheel Included | No |
| Air Cleaner Included | No |
| Spark Plugs Included | No |
| Spark Plug Wires Included | No |
GENERAL |
|
| Warranty | 30 month / 50,000 miles |
| Assembled | Yes |
| Camshaft Included | Yes |
| Block | New cast iron, 4 bolt main |
| GTIN Code | 816671020755 |
| Notes | Recommended oil for your BluePrint Crate Engine: 10W30, Non-Synthetic, Not for EGR |
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