BluePrint Builder Series LS427/800HP Standard Edition EFI Supercharged Engine and 4L80E Trans Combos BLS427SCTK4L7

Overview

BluePrint Builder Series LS427/800HP Standard Edition EFI Supercharged Engine and 4L80E Trans Combos

BluePrint Builder Series LS427/800HP Standard Edition EFI supercharged engine and 4L80E transmission combos take the guesswork out of matching up an engine and transmission for your ride. Featuring a supercharged Chevy LS small block-compatible 427 (c.i.d.) engine that produces 800 horsepower, this standard edition builder series includes a choice of black or polished pulley kits and a 4L80E automatic transmission. The aluminum BluePrint Engines cylinder heads help produce a nice 11.0:1 compression ratio, with assistance from the hydraulic roller camshaft, forged pistons, and forged crankshaft. Altogether, this assembly produces 780 lbs.-ft. of torque. When you need or want a new LS powertrain for your ride, go with the authority in crate engines and their BluePrint Builder Series LS427/800HP Standard Edition EFI supercharged engine and 4L80E transmission combos.

Other product features, items, and specifications include:

Block:
* OEM style (4.060 in. bored to 4.069 in.)
* Main caps are 6-bolt
* One-piece rear main seal

Rotating Assembly:
* New forged crankshaft
* Stroke – 4.125 in.
* Forged connecting rods (6.125 in.)
* Forged pistons
* Internally balanced
* Non-weighted harmonic balancer

Cylinder Heads:
* BluePrint PS8015 models
* Chamber – 72cc
* Valves are 2.165 in. intake and 1.600 in. exhaust
* Exhaust runners are 259cc intake and 102cc exhaust

Camshaft:
* Hydraulic roller
* Intake valve lift – 0.624 in.
* Exhaust valve lift – 0.624 in.
* Intake duration at 0.050 in. of lift – 239
* Exhaust duration at 0.050 in. of lift – 255
* Lobe separation angle (LSA) – 114 degrees

Ignition Timing
* ECM supplied with calibration (initial and total timing are controlled by PCM)
* Firing order is 1-8-7-2-6-5-4-3

Assembled 4-speed Transmission Package:
* Complete 4L80E package with electronic transmission controller
* Non-weighted flexplate
* Starter
* Gear ratios are 2.482:1 (first), 1.482:1 (second), 1.000:1 (third), 0.750:1 (fourth), and 2.077:1 (reverse)
* Torque converter with 3,200–plus rpm stall

Other Components:
* 2.3L Magnuson TVS supercharger
* All required (to make engine run) sensors and wiring harness
* Unlocked ECU for local Dyno shop tuning refinement
* DBW (Drive-By-Wire) throttle body
* Valve covers, retro-fit oil pan (fits most 1955-95 GM front engine, RWD, V8 cars), and timing cover
* LS3 car intake manifold
* Upgraded Mototron S107 fuel injectors
* Coil packs
* Spark plug wires
* Gas/throttle pedal
* Complete front accessory drive includes A/C, power steering, alternator, water pump, belt tensioner arm, belts, and pulleys (BLS427SCTKB4L7 is combo with black accessory drive; BLS427SCTK4L7 for polished system)
* ACDelco 41-985 spark plugs (0.040 in. gap)

Note: BluePrint highly recommends their BPPLS01013 air intake kit to ensure proper MAF calculations (same used on Dyno). Recommended fuel is 91-93 octane. Recommended oil is BPP710. Not designed for use with dry sump or pollution-controlled vehicles.

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