HP & Torque: 621 HP / 560 FT. LBS

Cylinder Heads: BluePrint Engines Aluminum Cylinder Heads

Compression Ratio: 10:1

Camshaft: Hydraulic Roller Cam - .647 Intake / .647 Exhaust Lift and 248 Intake / 254 Exhaust Duration @ .050 - 112° LSA

Pistons: Forged

Crankshaft: Steel Crank - 4.000" Stroke and Forged 6.135" Rods



DETAILED INFORMATION

Description:

  • HP & Torque: 621 HP / 560 FT LBS
  • Compression Ratio: 10.0:1
  • Aluminum Heads
  • Hydraulic Roller Cam
  • Forged Crank
  • Forged Pistons

Block:

  • NEW BluePrint Cast Iron Block
  • Manufactured and Machined in the USA!
  • 4-Bolt Main
  • 4.466" Bore
  • 1-Piece Rear Main Seal
  • Mech fuel pump provision: Yes
  • Standard Deck

Rotating Assembly:

  • New BluePrint Forged Crankshaft
  • 4.000" Stroke
  • Forged H-beam 6.135" connecting rods
  • Forged Pistons
  • Internal

Cylinder Heads:

  • BluePrint Aluminum Cylinder Heads -
  • 119cc chamber
  • 2.30" intake/1.88" exhaust valves
  • 316cc intake/124cc exhaust runners
  • Cylinder heads feature a .300 in. raised exhaust port vs an OEM casting.
  • Must verify header/exhaust clearance

Cam Specs:

  • Cam Type: Roller
  • .647 Intake .647 Exhaust
  • 248 Intake / 254 Exhaust duration
  • @ .050 - 112-degree lobe separation

Also Includes:

  • Valve covers
  • Oil pan and timing cover
  • Harmonic balancer

Notes:

  • Not for use in pollution-controlled vehicles
  • Cylinder heads feature a .300 in. raised exhaust port vs an OEM casting
  • Must verify header/exhaust clearance
 

Engine Accessory Specifications

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: PS502CT

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: Non-Weighted

Flexplate/Flywheel: Non-Weighted

Stall Converter: 2200+

Intake Manifold: Single plane, satin aluminum

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

Total Oil capacity with production oil pan, and Correct BPP51061 Filter : 8 Quarts

Notes: New BluePrint block manufactured and machined in the USA

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