Item # 73450 BRAND: BluePrint Engines

BluePrint Engines 427 c.i. GM LS Style ProSeries Base Dressed Engine PSLS42750CTF

GM LS COMPATIBLE 427 C.I. PROSERIES ENGINE - 600 HP - BASE DRESSED - FUEL INJECTED
GM LS COMPATIBLE 427 C.I. PROSERIES ENGINE - 600 HP - BASE DRESSED - FUEL INJECTED
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GM LS COMPATIBLE 427 C.I. PROSERIES ENGINE - 600 HP - BASE DRESSED - FUEL INJECTED

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BluePrint Engines 427 c.i. GM LS Style ProSeries Base Dressed Engine PSLS42750CTF

Product Overview:

Description

Horsepower & Torque: 600 Horsepower / 530 FT. LBS. Torque

Cylinder Heads: BluePrint Engines LS3 Aluminum Cylinder Heads

Compression Ratio: 11:1

Camshaft: Hydraulic Roller Cam - .624 Intake / .624 Exhaust Lift and 239 Intake / 255 Exhaust Duration @ .050 - 114° LSA - Three Bolt Cam

Pistons: Forged

Crankshaft: Steel Crank - 4.125 in. Stroke and 6.125 in. Rods

  • Horsepower & Torque: 600 Horsepower / 530 FT LBS
  • Compression Ratio: 11:1
  • Aluminum Heads
  • Hydraulic Roller Cam
  • Forged Crank
  • Forged Pistons

Block:

  • BluePrint Engines High Strength Cast Iron Block
  • Increased Deck Thickness and Strength Webbing
  • Extended Cylinder Skirt
  • Priority Main Oiling
  • 4.0685 in. Bore
  • 6-Bolt Main
  • 1-Piece Rear Main Seal
  • Improved Water Jacket Design
  • Utilizes OEM LS3 Front and Rear Covers.

Rotating Assembly:

  • New Forged Crankshaft
  • 4.125 in. Stroke
  • Forged 6.125 in. Connecting Rods
  • Forged Pistons
  • Internally Balanced Front and Rear

Cylinder Heads:

  • BluePrint Aluminum Cylinder Heads -PS8015
  • 69cc Chamber
  • 2.165 in. Intake / 1.590 in. Exhaust Valves
  • 259cc Intake / 102cc Exhaust Runners

Cam Specs:

  • Hydraulic Roller
  • .624 Intake / .624 Exhaust Lift
  • 239 Intake / 255 Exhaust Duration
  • @.050-114 Degree Lobe Separation

Also Includes:

  • Valve Covers
  • Retro Fit Oil Pan
  • Timing Cover
  • Drive by Wire Throttle Body
  • LS3 Fabricated Intake Manifold
  • Injectors and Fuel Rail Kit
  • Coil Packs
  • Spark Plugs and Wires
  • Water Pump
  • Harmonic Balancer

Notes:

  • This engine requires a non-weighted flex plate/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.
  • Does NOT include engine controller. This is a dressed long block only. No Harness/ECU provided. This is for customers wishing to use their own engine controller package.
  • BluePrint Engines Recommends Air Intake Kit BPPLS01013.

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: PSLS42750CTF

Fuel Delivery Type: Electronic Fuel Injected

Spark Plug: AC Delco 41-985

Spark Plug Gap: .040 in.

Harmonic Balancer: Non-Weighted

Flexplate/Flywheel: Non-Weighted

Stall Converter: 2200+

Intake Manifold: GM Plastic Intake

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. Also includes sensors, coil packs and wiring harness, and a new ECM with our custom tune installed, drive by wire throttle body and matching throttle pedal.

In the Box

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BluePrint Engines 427 c.i. GM LS Style ProSeries Base Dressed Engine PSLS42750CTF
$12,849.00
In Stock