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