BluePrint Engines Builder Series Supercharged 427CI ProSeries Stroker Crate Engine and 4L80E Super Duty Transmission | GM LS3 Style | Dressed Longblock with Fuel Injection | Aluminum Heads | Roller Cam | Deluxe Dressed Longblock w/ Pulleys - Polished
This engine will be dyno tested before it ships to you at no additional charge (others charge $500)!
Part #: BLS427SCTK4L7
SUPERCHARGED LS3 427 Stroker Engine with 4L80E Heavy Duty Transmission
Description
- HP & Torque: 800 HP / 780 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:
- 2.3L Magnuson TVS Super Charger
- Upgraded Mototron S107 Injectors
Electronic Fuel Injection
Coil Packs
Valve covers
Oil pan
Water Pump
Belt tensioner
arm
All sensors required for engine to run
Wiring harness
Gas pedal
Drive by wire throttle body
Timing cover
Spark plugs
Spark plug wires
Harmonic balancer
Dyno test results shipped with engine!
Complete Polished Front Accessory Drive
Alternator, A/C, P/S, All belts and pulleys.
ASSEMBLED W/ COMPLETE HD 4L80E TRANS PACKAGE:
Includes the following:
4L80E Complete Package
Electronic transmission controller included
3200+ Stall Torque converter
Flexplate
Starter
Warranty:
- 30 month / 50,000 mile
Notes:
- 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.
Engine 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. Transmission TCU is included,
BluePrint Engines Recommends Air Intake Kit BPPLS01013 to ensure correct MAF calculations and Dyno calibration are maintained with the provided ECU / tuning.
- Engine/Trans Package Ships assembled
This engine will be dyno tested before it ships to you at no additional charge (others charge $500)!
Part #: BLS427SCTK4L7
SUPERCHARGED LS3 427 Stroker Engine with 4L80E Heavy Duty Transmission
Description
- HP & Torque: 800 HP / 780 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:
- 2.3L Magnuson TVS Super Charger
- Upgraded Mototron S107 Injectors
Electronic Fuel Injection
Coil Packs
Valve covers
Oil pan
Water Pump
Belt tensioner
arm
All sensors required for engine to run
Wiring harness
Gas pedal
Drive by wire throttle body
Timing cover
Spark plugs
Spark plug wires
Harmonic balancer
Dyno test results shipped with engine!
Complete Polished Front Accessory Drive
Alternator, A/C, P/S, All belts and pulleys.
ASSEMBLED W/ COMPLETE HD 4L80E TRANS PACKAGE:
Includes the following:
4L80E Complete Package
Electronic transmission controller included
3200+ Stall Torque converter
Flexplate
Starter
Warranty:
- 30 month / 50,000 mile
Notes:
- 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.
Engine 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. Transmission TCU is included,
BluePrint Engines Recommends Air Intake Kit BPPLS01013 to ensure correct MAF calculations and Dyno calibration are maintained with the provided ECU / tuning.
- Engine/Trans Package Ships assembled
Customer Reviews
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: BLS427KT56
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.