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  • GM Big Block Compatible 496 c.i. Power Adder Engine - 561 Horsepower - Long Block
  • GM Big Block Compatible 496 c.i. Power Adder Engine - 561 Horsepower - Long Block
  • GM Big Block Compatible 496 c.i. Power Adder Engine - 561 Horsepower - Long Block
  • GM Big Block Compatible 496 c.i. Power Adder Engine - 561 Horsepower - Long Block

GM Big Block Compatible 496 c.i. Power Adder Engine - 561 Horsepower - Long Block

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  • Detail
    • Detail

      Description:

      • Horsepower & Torque: 561 Horsepower / 512 ft. lbs. Torque
      • Compression Ratio: 8.8:1
      • BluePrint Engines Aluminum Heads
      • BluePrint Engines Hydraulic Roller Cam
      • BluePrint Engines Forged Crank
      • BluePrint Engines Forged Pistons

      Block:

      • BluePrint Engines High Strength Cast Iron Block, 454 BBC
      • Manufactured and Machined in the USA!
      • Mech Fuel Pump Provision: Yes
      • 1-Piece Rear Main Seal
      • Standard Deck
      • 4-Bolt Main
      • 4.310" Bore

      Rotating Assembly:

      • Dual Keyway Crankshaft
      • 4.250" Stroke
      • Forged H-beam 6.385" Connecting Rods
      • Forged Pistons
      • Internally Balanced Front and Rear

      Cylinder Heads:

      • BluePrint Aluminum Cylinder Heads - PS8013
      • 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:

      • Hydraulic Roller
      • .540 Intake / .560 Exhaust Lift
      • 242 Intake / 248 Exhaust Duration
      • @ .050-114 Degree Lobe Separation

      Ignition Timing:

      • 10-16° and Total Timing 32-34°

      Also Includes:

      • Harmonic Balancer
      • Timing Cover
      • Valve Covers
      • Dipstick
      • Oil Pan

      Notes:

      • Not for EGR.
      • Built to accept Power Adders - Turbo chargers, superchargers, NOS etc.
      • Built with Dual Keyway Crankshaft for Harmonic Balancer
      • SFI Harmonic Balancer included on engine

    • Description
      This engine is designed and manufactured to factory specs for the specified vehicles below. It's manufactured using tighter machining tolerances, higher quality components, and finer balancing of the rotating assembly to make this engine better than the original while still meeting the description of a “replacement” engine.
    • Warranty

      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.

    • Notes
      • Designed as factory replacement long block for specified vehicles and year ranges, using OEM specification parts. Customer to re-use existing intake manifold, ecu (if equipped), exhaust, fuel system etc. Modification or replacement of provided tinware, and minor accommodations such as dipstick location may be required.
      • Specifically designed as an OEM spec engine to meet emissions requirements of the specified vehicles, to meet the criteria of "replacement engine" in all 50 states.
      • If your vehicle was originally equipped with a 2-piece rear main seal crankshaft, a new flex plate or flywheel will be required. Note for those same early applications, this block features the dipstick on the Passenger side.
      • Must verify with application list linked above for fitment.
    • Also Includes
      • New Valve Covers
      • Rear Sump Oil Pan
      • Timing Cover
      • Harmonic Balancer

      Recommended Break in Oil: BPP710 (Click Here)

      Recommended Service Oil: BPP10W30 (Click Here)

      Recommended Oil Filter: BPP51061 (Click Here)

    • Ignition Timing
      • OEM Specifications
    • Cam Specs
      • Hydraulic Flat Tappet
      • OEM Spec Per Listed Vehicles
    • Cylinder Heads
      • Perimeter Bolt Iron Cylinder Heads
    • Rotating Assembly
      • Cast Crankshaft
      • 3.480" Stroke
      • Forged 5.700" Connecting Rods
      • OEM Spec Pistons
      • Internally Balanced Front - Externally Balanced Rear Engine
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