GM Big Block Compatible 632 c.i. ProSeries Engine and 4L80E Automatic Transmission - 815 Horsepower - Blackout Reaper Edition Builder Series with Black Pulley Kit - Carbureted
GM Big Block Compatible 632 c.i. ProSeries Engine and 4L80E Automatic Transmission - 815 Horsepower - Blackout Reaper Edition Builder Series with Black Pulley Kit - Carbureted
GM Big Block Compatible 632 c.i. ProSeries Engine and 4L80E Automatic Transmission - 815 Horsepower - Blackout Reaper Edition Builder Series with Black Pulley Kit - Carbureted
GM Big Block Compatible 632 c.i. ProSeries Engine and 4L80E Automatic Transmission - 815 Horsepower - Blackout Reaper Edition Builder Series with Black Pulley Kit - Carbureted
GM Big Block Compatible 632 c.i. ProSeries Engine and 4L80E Automatic Transmission - 815 Horsepower - Blackout Reaper Edition Builder Series with Black Pulley Kit - Carbureted
GM Big Block Compatible 632 c.i. ProSeries Engine and 4L80E Automatic Transmission - 815 Horsepower - Blackout Reaper Edition Builder Series with Black Pulley Kit - Carbureted
GM Big Block Compatible 632 c.i. ProSeries Engine and 4L80E Automatic Transmission - 815 Horsepower - Blackout Reaper Edition Builder Series with Black Pulley Kit - Carbureted
GM Big Block Compatible 632 c.i. ProSeries Engine and 4L80E Automatic Transmission - 815 Horsepower - Blackout Reaper Edition Builder Series with Black Pulley Kit - Carbureted
GM Big Block Compatible 632 c.i. ProSeries Engine and 4L80E Automatic Transmission - 815 Horsepower - Blackout Reaper Edition Builder Series with Black Pulley Kit - Carbureted
BluePrint Engines' 632 c.i. running in an El Camino
GM Big Block Compatible 632 c.i. ProSeries Engine and 4L80E Automatic Transmission - 815 Horsepower - Blackout Reaper Edition Builder Series with Black Pulley Kit - Carbureted
GM Big Block Compatible 632 c.i. ProSeries Engine and 4L80E Automatic Transmission - 815 Horsepower - Blackout Reaper Edition Builder Series with Black Pulley Kit - Carbureted
GM Big Block Compatible 632 c.i. ProSeries Engine and 4L80E Automatic Transmission - 815 Horsepower - Blackout Reaper Edition Builder Series with Black Pulley Kit - Carbureted
GM Big Block Compatible 632 c.i. ProSeries Engine and 4L80E Automatic Transmission - 815 Horsepower - Blackout Reaper Edition Builder Series with Black Pulley Kit - Carbureted
GM Big Block Compatible 632 c.i. ProSeries Engine and 4L80E Automatic Transmission - 815 Horsepower - Blackout Reaper Edition Builder Series with Black Pulley Kit - Carbureted
GM Big Block Compatible 632 c.i. ProSeries Engine and 4L80E Automatic Transmission - 815 Horsepower - Blackout Reaper Edition Builder Series with Black Pulley Kit - Carbureted
GM Big Block Compatible 632 c.i. ProSeries Engine and 4L80E Automatic Transmission - 815 Horsepower - Blackout Reaper Edition Builder Series with Black Pulley Kit - Carbureted
GM Big Block Compatible 632 c.i. ProSeries Engine and 4L80E Automatic Transmission - 815 Horsepower - Blackout Reaper Edition Builder Series with Black Pulley Kit - Carbureted
GM Big Block Compatible 632 c.i. ProSeries Engine and 4L80E Automatic Transmission - 815 Horsepower - Blackout Reaper Edition Builder Series with Black Pulley Kit - Carbureted
BluePrint Engines' 632 c.i. running in an El Camino

GM Big Block Compatible 632 c.i. ProSeries Engine and 4L80E Automatic Transmission - 815 Horsepower - Blackout Reaper Edition Builder Series with Black Pulley Kit - Carbureted

SKU: B632KB4L8X

GM Big Block Compatible 632 c.i. ProSeries Engine and 4L80E Automatic Transmission - 815 Horsepower - Blackout Reaper Edition Builder Series with Black Pulley Kit - Carbureted

SKU: B632KB4L8X

HP & Torque: 815 HP / 775 FT. LBS

Cylinder Heads: BluePrintEngines Aluminum Cylinder Heads

Compression Ratio: 11:1

Camshaft: Hydraulic Roller Cam - .698 Intake / .698 Exhaust Lift and 272 Intake / 282 Exhaust Duration @ .050 – 110 LSA

Pistons: Forged

Crankshaft: Forged Crank – 4.750" Stroke and Forged 6.635" Rods

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Description:

  • Horsepower & Torque: 815 Horsepower / 775 FT LBS
  • Compression Ratio: 11.0:1
  • Aluminum Heads
  • Hydraulic Roller Cam
  • Forged Crank
  • Forged Pistons

Block:

  • BluePrint Engines High Strength Cast Iron Block
  • Manufactured and Machined in the USA!
  • 4-Bolt Main
  • 4.600" Bore
  • 1-Piece Rear Main Seal
  • Mech Fuel Pump Provision: Yes
  • Tall Deck (Cylinder Deck is Approx .400 Taller / Wider than OEM Block)

Rotating Assembly:

  • New BluePrint Forged Crankshaft
  • 4.750" Stroke
  • Forged H-beam 6.635" Connecting Rods
  • Forged Pistons
  • Internally Balanced

Cylinder Heads:

  • BluePrint Aluminum Cylinder Heads - PS8012
  • 119cc Chamber
  • 2.30" Intake / 1.88" Exhaust Valves
  • 358cc Intake / 125cc Exhaust Runners
  • Cylinder Heads Feature a .300 in. Raised Exhaust Port vs an OEM Casting

Cam Specs:

  • Cam Type: Roller
  • .698 Intake / .698 Exhaust Lift
  • 272 Intake / 282 Exhaust Duration 
  • @.050-110 Degree Lobe Separation

Also Includes:

  • Valve Covers
  • Oil Pan
  • Timing Cover
  • Harmonic Balancer
  • 1250cfm Carburetor
  • Intake Manifold
  • Pro Billet Distributor
  • Front Accessory Drive with Alternator, Power Steering Pump, A/C Compressor, and Water Pump 
  • Electric Fuel Pump
  • Thermostat and Thermostat Housing

Assembled with Complete 4l80e Automatic Transmission Package:

  • 4L80E Complete Package with Electronic Controller Included
  • W/Lockup Capability
  • 3800+ Stall Torque Converter
  • Flex Plate
  • Starter

4L80E Gear Ratios:

  • 1: 2.482
  • 2: 1.482
  • 3: 1.00
  • 4: 0.750
  • R: 2.077

Notes:

  • Not for use in pollution-controlled vehicles.
  • This engine features .300 raised exhaust ports and .400 deck height increase over OEM.
  • Must verify clearance of exhaust, shift linkage, steering components etc. before ordering.
  • The front accessory drive on this engine fits many vehicles, however it is the customer responsibility to accurately measure and confirm fitment.  Note this is a low-profile design, but things such as power steering hoses, alternator wiring, and additional fittings/fabrication may be required on some vehicles.
 

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: B632KB4L8X

Fuel Delivery Type: Carbureted 1250CFM

Spark Plug: BPP7938 NGK 7938 BKR5E (.750 inch reach, 14mm thread, 5/8 hex, plug)

Spark Plug Gap: .035"

Harmonic Balancer: Non-Weighted

Flexplate/Flywheel: Non-Weighted

Stall Converter: 3,800-4,200

Intake Manifold: Single plane, satin aluminum

Fuel Recommendation: 91 Octane

Timing (Initial/Total Advance): Initial timing - 10-16° and Total timing 32-34°. If using a dominator style carb, initial timing 16-20 and total timing of 32-34 by 2500 RPM.

Firing Order: 1,8,4,3,6,5,7,2

Notes: New BluePrint block manufactured and machined in the USA. Recommended break in oil for your BluePrint Crate Engine: BPP710, Not for EGR

Header Partners: 
Click here for our Header Partners and recommendations.

Click here to download a copy of the Installation Guide that came with your BluePrint engine.

BETTER THAN THE REST.

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 / 50,000 miles — with the extra confidence only BluePrint can provide. Our warranty applies to individual or professional installations and is fully transferable.

For a detailed overview of our warranty, click here.

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!

This engine will be dyno tested before it ships to you at no additional charge (others charge $500)!

RECOMMENDED PRODUCTS:
BluePrint Engines Crate Engine Break-In Oil — 1 Quart
BluePrint Engines 10w30 Engine Oil - 1 Quart
TrueBlue Performance Octane Boost
BluePrint Engines TrueBlue Performance Octane Booster
BluePrint Engines TrueBlue UltraCool Antifreeze Coolant CONCENTRATE
BluePrint Engines TrueBlue Power Steering Fluid
BluePrint Engines TrueBlue Transmission Fluid UNIVERSAL ATF/MTF
GM SB and BB Compatible Oil Filter
Liquid Filled Fuel Pressure Gauge - 0-15 psi