GM Small Block Compatible 400 c.i. Engine - 500 Horsepower - Long Block
GM Small Block Compatible 400 c.i. Engine - 500 Horsepower - Long Block
GM Small Block Compatible 400 c.i. Engine - 500 Horsepower - Long Block
GM Small Block Compatible 400 c.i. Engine - 500 Horsepower - Long Block

GM Small Block Compatible 400 c.i. Engine - 500 Horsepower - Long Block

SKU: BP4002CT1

GM Small Block Compatible 400 c.i. Engine - 500 Horsepower - Long Block

SKU: BP4002CT1

HP & Torque: 500 HP / 510 FT. LBS

Cylinder Heads: BluePrint Engines Aluminum Cylinder Heads

Compression Ratio: 10.3:1

Camshaft: Hydraulic Roller Cam - .555 Intake / .576 Exhaust Lift and 236 Intake / 242 Exhaust Duration @ .050 - 110° LSA

Pistons: Forged

Crankshaft: Forged Steel Crank - 3.750" Stroke and 5.700" Rods

Regular price $6,899.00
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  • Financing available at checkout with Affirm

Description:

  • Horsepower & Torque: 500 Horsepower / 510 FT LBS
  • Compression Ratio: 10.3:1
  • Aluminum Heads
  • Hydraulic Roller Cam
  • Forged Crank
  • Forged Pistons

Block:

  • NEW BluePrint Cast Iron Block
  • Manufactured and Machined in the USA!
  • 4-Bolt Main
  • 4.125" Bore
  • 1-Piece Rear Main Seal
  • Mech Fuel Pump Provision: Yes
  • Passenger Side Dipstick
  • Drilled and Tapped for Clutch Linkage

Rotating Assembly:

  • New BluePrint Forged Crankshaft
  • 3.750" Stroke
  • Forged Steel Crank 5.700" Connecting Rods
  • Forged Pistons
  • Internal Front/ External Rear Engine Balance

Cylinder Heads:

  • BluePrint Aluminum Cylinder Heads - HP8103
  • 64cc Chamber
  • 2.08" Intake /1.60" Exhaust Valves
  • 220cc Intake /67cc Exhaust Runners

Cam Specs:

  • Cam Type: Roller
  • .555 Intake / .576 Exhaust
  • 236 Intake / 242 Exhaust Duration
  • @ .050-110 Degree Lobe Separation

Ignition Timing:

  • 10-16° Initial and Total Timing 32-34° at 3500 RPM

Also Includes:

  • Valve Covers
  • Oil Pan
  • Timing Cover

Notes:

  • Not for EGR
  • The performance aluminum cylinder heads on this engine feature a .500 raised port vs OEM.

 


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: BP4002CT1

Fuel Delivery Type: Carbureted

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

Spark Plug Gap: .035"

Harmonic Balancer: BPP350 - Non Weighted, 8" diameter

Flexplate/Flywheel: Weighted, 1 pc RMS

Stall Converter: 2400+

Intake Manifold: N/A

Fuel Recommendation: 91 Octane

Timing (Initial/Total Advance): Initial timing - 10-16° and Total timing 32-34°

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

Recommended Break in Oil : BPP710 (Click Here)

Recommended Service Oil : BPP10W30 (Click Here) 

Recommended Oil Filter ; BPP51061 (Click Here)

Total Oil capacity with production oil pan, and Correct BPP51061 Filter : 5 Quarts

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)!

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