Item # 65970 BRAND: BluePrint Engines

BluePrint Engines Pro Series Chevy LS 427 ci. 625HP EFI Retrofit Dressed Long Block Crate Engine PSL

427CI ProSeries Stroker Crate Engine | GM LS3 Style | Base Dressed Longblock with Fuel Injection | Aluminum Heads | Roller Cam | Longblock
427CI ProSeries Stroker Crate Engine | GM LS3 Style | Base Dressed Longblock with Fuel Injection | Aluminum Heads | Roller Cam | Longblock
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427CI ProSeries Stroker Crate Engine | GM LS3 Style | Base Dressed Longblock with Fuel Injection | Aluminum Heads | Roller Cam | Longblock

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BluePrint Engines Pro Series Chevy LS 427 ci. 625HP EFI Retrofit Dressed Long Block Crate Engine PSL

Product Overview:

Description

DESCRIPTION

Dyno Tested Warranty
  • HP & Torque: 625 HP / 565 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
    239 intake 255 exhaust duration
    @ .050, 114 degree lobe sep.

IGNITION TIMING:

  • ECM supplied with calibration
    Not capable of transmission control
    Transmission controller required

ALSO INCLUDES:

  • 87mm LT5 DBW Throttle Body
  • LS3 intake manifold
    42# injectors and returnless fuel rail
    Harmonic balancer
    Valve covers, retro fit oil pan and timing cover
    Coil Packs
    All sensors required for engine to run
    Spark plug wires & wiring harness
    Gas pedal
    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
    Not for use in pollution controlled vehicles or in dry sump applications.

The Included LS controller package is for engine control only. Does not contain any transmission or body control. The ECU comes with calibration that is optimal for our engine, however please note that vehicle parameters such as gearing, tire size, vehicle weight, air intake, headers, etc. may necessitate additional tuning once installed into your specific vehicle. The included ECU is unlocked for further refinement at your local dyno shop if required.

BluePrint Engines Recommends Air Intake Kit BPPLS01013 to ensure correct MAF calculations and Dyno calibration are maintained with the provided ECU / tuning.

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: PSLS4272CTF

Fuel Delivery Type: Electronic Fuel Injected

Spark Plug: AC Delco 41-985

Spark Plug Gap: .040"

Harmonic Balancer: Non-Weighted

Flexplate/Flywheel: Non-Weighted

Stall Converter: 2200+

Intake Manifold: LS3 Car

Fuel Recommendation: 91- 93 Octane

Timing (Initial/Total Advance): Ignition timing and spark advance are controlled by Powertrain Control Module

Firing Order: 1,8,7,2,6,5,4,3

Notes: Recommended break in oil for your BluePrint Crate Engine: BPP710, Not for EGR Universal fit oil pan, drive by wire throttle body and matching throttle pedal. Also includes sensors, coil packs and wiring harness, and a new ECM with our custom tune installe

In the Box

Guides & Accessories

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BluePrint Engines Pro Series Chevy LS 427 ci. 625HP EFI Retrofit Dressed Long Block Crate Engine PSL
$15,049.00
In Stock