BluePrint Engines BP38313CTF Chevy 383 Stroker EFI Fully Dressed
Navigate heavy traffic easily with this dressed BluePrint GM 383 410HP stroker crate engine. A 9.0:1 compression ratio runs pump fuel safely through free-flowing aluminum cylinder heads. Connect the starter wires. Hear it rumble.
- Stroked displacement builds intense tire melting torque
- Preinstalled carburetor eliminates tedious tuning bench hours
- Nine to one compression prevents structural detonation pinging
Description
Modern electronic fuel injection anchors the BluePrint BP38313CTF Chevy 383 Stroker EFI. This 6.3L 383ci small block stroker V8 delivers 436HP for turn key commercial long block repower chassis conversions. Master technicians must plumb an unrestricted 3/8in fuel return line back to the fuel tank because high volume electric EFI pumps trigger erratic rail pressure spikes on deadhead lines.
Solid ASTM A48 Class 35 gray iron lines the four-bolt main cylinder case on this BluePrint engine assembly. A forged 4340 steel 3.750in stroker crankshaft spins inside micro-honed bearing saddles to withstand persistent commercial hauling stress. Cranking draws 180A across 12V starter circuits. Total dry weight reads 490 lbs within physical dimensions of 29in length by 26in width by 27in height holding 5.0 quarts oil capacity.
Key Features of BluePrint BP38313CTF
Performance mechanics buy BluePrint BP38313CTF Chevy 383 Stroker EFI packages to gain instant fueling precision during an industrial engine rebuild. BluePrint high flow aluminum cylinder heads feature 64cc combustion chambers engineered for regular unleaded pump fuel.
- Enlarged 383ci stroker displacement maximizes torque across demanding utility towing operations.
- Four-bolt main bearing journals secure the lower end against high dynamic stress.
- Self tuning throttle body EFI calculates real-time fueling based on manifold air pressure.
- Hydraulic roller camshaft profiles optimize airflow duration while maintaining vacuum for power brakes.
- The BP38313CTF fully dressed engine incorporates hypereutectic pistons with anti-friction skirts.
- Complete front accessory serpentine drive system drives the alternator, water pump, and power steering pump.
- Multi layer steel cylinder head gaskets maintain combustion seals against continuous cylinder pressures.
Dynamic Dyno Load Tolerances
Factory dyno testing subjects the BP38313CTF commercial core to controlled continuous absorption sweeps. Dynamometer readouts record 436 continuous BHP and 460 ft-lbs torque output at 4,400 RPM. Main oil gallery pressure maintains 58 PSI at 195°F operating temperature. Exhaust gas temperature stays below 1,380°F under continuous rated output runs. Cylinder compression verifies at 180 PSI per bore with under 3% variance and crank runout within 0.0003in TIR.
Deployment Boundaries Field Upkeep
Electronic throttle linkages respond smoothly to 4.5 lbs applied cable tension across full quadrant sweep. Do not install this electronic fuel injected crate motor into older marine watercraft lacking coast guard certified fuel vapor recovery systems.
- Replace motor oil and install new heavy duty spin-on filter canisters every 3,000 miles.
- Inspect hydraulic roller lifter action and rocker arm lash every 25,000 operating miles.
- Verify cylinder head bolt torque to 70 ft-lbs following initial thermal break in cycles.
Warranty Backing Delivery Sheet
This factory crate engine carries BluePrint engineering backing for consistent reliability across your commercial fleet. Purchase provides a 30-Month or 50,000-mile limited replacement parts warranty. The wood pallet crate holds the fully dressed long block core, EFI throttle body, ECU wiring harness, ignition distributor, fuel pump, water pump, oil pan, and certified dynamometer sheet.
BluePrint BPLS4080CTF GM LS 408 CID 585 HP Dressed Specs
| Brand | BluePrint Engines |
| Engine Model | BPLS4080CTF |
| Part Type | Crate Engines |
| UPC | 00887753744210 |
| Crate Engine Family | Chevy LS |
| Actual Engine Displacement | 6.7L/408 |
| Cylinder Head Material | Aluminum |
| Engine Block Material | Cast iron |
| Advertised Compression Ratio | 10.8:1 |
| Assembled | Yes |
| Engine Balance | Internal |
| Cam Style | Hydraulic roller, OE roller |
| Rear Main Seal Style | 1-piece |
| Intake Manifold Included | Yes |
| Intake Manifold Style | Fuel Injection |
| Cylinder Heads Included | Yes |
| Carburetor Included | No |
| Throttle Body Included | Yes |
| Distributor Included | No |
| Oil Pan Included | Yes |
| Valve Covers Included | Yes |
| Timing Cover Included | Yes |
| Water Pump Included | No |
| Harmonic Balancer Included | Yes |
| Flexplate Included | No |
| Flywheel Included | No |
| Air Cleaner Included | No |
| Spark Plugs Included | Yes |
| Spark Plug Wires Included | Yes |
| Computer Included | Yes |
| Wiring Harness Included | Yes |
| Supercharger Included | No |
| Warranty Info | 30-Month / 50,000 Miles |












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