BluePrint Engines Pro Series Chevy LS 427 ci. 625HP Carbureted Retrofit Long Block Crate Engine PSLS
DESCRIPTION
- HP & Torque: 625 HP / 550 FT LBS
Compression Ratio: 11:1
Aluminum Heads
Hydraulic Roller Cam
Forged Crank
Forged Pistons
BLOCK:
- OEM Block Machined in the USA!
6-Bolt Main
4.060" Bored to 4.069
1-Piece Rear Main Seal
ROTATING ASSEMBLY:
- New Forged Crankshaft
4.125" stroke
Forged 6.125" connecting Rods
Forged Pistons
Internal
CYLINDER HEADS:
- BluePrint Aluminum Cylinder Heads -PS8015
72cc chamber
2.165" intake/1.600" exhaust valves
259cc intake/102cc exhaust runners
CAM SPECS:
- Roller
.624 intake .624 exhaust lift
247 intake 263 exhaust duration
@ .050, 114 degree lobe sep.
IGNITION TIMING:
- Ignition box required
ALSO INCLUDES:
- Carburetor - 850cfm with mechanical secondaries, dual accelerator pumps and mechanical choke
Single plane aluminum intake
Harmonic balancer
Valve covers, retro fit oil pan and timing cover
Coil Packs and coil pack harness
Crank, cam and MAP sensors
Spark plug wires & wiring harness
Dyno tested & shipped with results
WARRANTY:
- 30 month / 50,000 mile
NOTES:
- This engine requires a non-weighted flexplate/flywheel.
Recommended Fuel: 91 Octane
BluePrint Engines recommends a 2200+ RPM stall converter.
Retro fit oil pan will fit most 1955-1995 GM front engine, RWD, V8 cars - Does NOT include ignition box. BluePrint Engines recommends MSD 6014 Ignition system on LS1HO setting
| Product Name | BluePrint Engines Pro Series Chevy LS 427 ci. 625HP Carbureted Retrofit Long Block Crate Engine PSLS |
|---|---|
| Is ESP | No |
| Is Canceled | No |
| Warranty Term | Manufacturer |
| 90 Day Returns | No |
| ATF Recommended products - Enabled | No |
| specifications_ax | Your BluePrint engine was dyno tested with the parts and specifications listed below. If you prefer to install a different part, your engine may not produce the horsepower recorded on your dyno sheet.
Part Number: PSLS4270CTC Fuel Delivery Type: Carbureted, 850cfm Spark Plug: AC Delco 41-985 Spark Plug Gap: .040" Harmonic Balancer: Non-Weighted Flexplate/Flywheel: Non-Weighted Stall Converter: 2200+ Intake Manifold: Single plane, satin aluminum Fuel Recommendation: 91 - 93 Octane Timing (Initial/Total Advance): Ignition box required - BluePrint Engines recommends MSD 6014 Ignition system on LS1HO setting Firing Order: 1,8,7,2,6,5,4,3 Notes: Recommended break in oil for your BluePrint Crate Engine: BPP710, Not for EGR Also includes sensors and coil packs. If requested, BluePrint Engines can provide a base map and timing curve. |
| warranty_ax | The satisfaction of our customers is our highest priority at BluePrint Engines. We use quality components to balance your engine's rotating assembly within two grams of spec. We dyno test your crate engine and certify that it's ready to deliver horsep |
