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BluePrint Engines 427CI ProSeries Stroker Crate Engine | GM LS3 Style | Dressed Longblock with Fuel Injection | Aluminum Heads | Roller Cam | Dressed Longblock with Black Pulley Kit

$14,299.00

This engine will be dyno tested before it ships to you at no additional charge (others charge $500)!
Part #: PSLS4272CTFKB

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

Complete Front Accessory Drive Premium Black Coated

Alternator, A/C, P/S, All belts and pulleys. 

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.

This engine will be dyno tested before it ships to you at no additional charge (others charge $500)!
Part #: PSLS4272CTFKB

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

Complete Front Accessory Drive Premium Black Coated

Alternator, A/C, P/S, All belts and pulleys. 

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.

Customer Reviews

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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

 

Click here to download a copy of the Installation Guide that came with your BluePrint engine.

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