Description
BluePrint BP4002CT1 GM 400, Base Engine, Alum Heads, Roller 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 400 – Base 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 #: BP4002CT1
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
Rotating Assembly
- New forged crankshaft – 3.750″ stroke & 5.7″ rods
- GM 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# HP8103
Cam Specs
- Cam Type: Roller
- .555 Intake .576 Exhaust
- 236 Intake / 242 Exhaust duration
- @ .050 – 110° lobe separation
Ignition Timing
- 10-16 degree initial and total timing 32-34 degree at 3500 RPM
Also Includes
- 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
| KEY SPECS | |
|---|---|
| MFG. Part # | BP4002CT1 |
| 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 |
| Bore x Stroke (in) | 4.125″ bore x 3.750″ |
| Intake Manifold Included | No |
| Distributor Included | No |
| 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 |
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