Item # 65973 BRAND: BluePrint Engines

BluePrint Engines Pro Series Chevy LS 427 ci. 625HP Carbureted Retrofit Long Block Crate Engine PSLS

427CI ProSeries Stroker Crate Engine | GM LS Style | Base Dressed Longblock with Carburetor | Aluminum Heads | Roller Cam
427CI ProSeries Stroker Crate Engine | GM LS Style | Base Dressed Longblock with Carburetor | Aluminum Heads | Roller Cam
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427CI ProSeries Stroker Crate Engine | GM LS Style | Base Dressed Longblock with Carburetor | Aluminum Heads | Roller Cam

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BluePrint Engines Pro Series Chevy LS 427 ci. 625HP Carbureted Retrofit Long Block Crate Engine PSLS

Product Overview:

Description

DESCRIPTION

Dyno Tested Warranty
  • 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

Warranty

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

Specifications

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.

In the Box

Guides & Accessories

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BluePrint Engines Pro Series Chevy LS 427 ci. 625HP Carbureted Retrofit Long Block Crate Engine PSLS
$13,049.00
In Stock