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 | Dressed Longblock with Polished Pulley Kit
Part #: BLS427SCTK4L7
SUPERCHARGED LS3 427 Stroker Engine with 4L80E Heavy Duty Transmission
IT ALL COMES DOWN TO RESULTS
We make sure we hit our target horsepower and proper torque with every crate engine. We use an advanced computerized balancer to get our rotating assemblies within two grams, ensuring silky smooth power over the entire RPM range. That's precisely why our engines sound and run better than our competitors.
BRAGGING RIGHTS INCLUDED!
A Comprehensive, dyno-generated printout showing these critical specs will accompany your delivered engine. No more guessing or wondering what your installed engine's real-world peak horsepower and torque ratings actually are. Any doubters in the crowd? Simply flash 'em your dyno results! Recommended Fuel: 91 Octane
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 horsepower and torque. We give your BluePrint engine the industry's best-in-class warranty for 30 months or 50,000 miles — with the extra confidence only BluePrint can provide. Our warranty applies to individual or professional installations, is fully transferable, and covers engines worldwide.
- HP & Torque: 800 HP / 780 FT LBS
Compression Ratio: 11:1
Hydraulic Roller Cam
- OEM Block Machined in the USA!
4.060" Bored to 4.069
1-Piece Rear Main Seal
- New Forged Crankshaft
Forged 6.125" connecting Rods
- BluePrint Aluminum Cylinder Heads -PS8015
2.165" intake/1.600" exhaust valves
259cc intake/102cc exhaust runners
.624 intake .624 exhaust lift
239 intake 255 exhaust duration
@ .050, 114 degree lobe sep
- ECM supplied with calibration
Not capable of transmission control
Transmission controller required
- 2.3L Magnuson TVS Super Charger
- Upgraded Mototron S107 Injectors
Electronic Fuel Injection
All sensors required for engine to run
Drive by wire throttle body
Spark plug wires
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
- 30 month / 50,000 mile
- 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.