GM 598ci Big Block Engine with 4L80E Automatic Transmission – 741 HP, Standard Builder Series, Black Pulleys, Carbureted

Description

*Pictured with a Polished Front Drive Accessory Kit come with a Black Front Drive Accessory Kit.

Description:

• Horsepower & Torque: 741 Horsepower / 703 ft. lbs. Torque
• Compression Ratio: 10.5:1
• 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
• Manufactured and Machined in the USA!
• Mech Fuel Pump Provision: Yes
• 1-Piece Rear Main Seal
• Standard Deck
• 4-Bolt Main
• 4.600″ Bore

Rotating Assembly:

• BluePrint Forged Crankshaft
• 4.500″ Stroke
• Forged H-beam 6.480″ Connecting Rods
• Forged Pistons
• Internally Balanced Front and Rear

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
• Must Verify Header / Exhaust Clearance

Cam Specs:

• .647 Intake / .647 Exhaust Lift
• 258 Intake / 266 Exhaust Duration
• @ .050-112 Degree Lobe Separation

Ignition Timing:

• 38° Total Timing

Also Includes:

• Pro Series Ready Run Distributor – BPP3503BK
• Thermostat and Thermostat Housing
• Harmonic Balancer – BPP454I
• 1250cfm Holley Carburetor
• Spark Plugs and Wires
• Electric Fuel Pump
• Intake Manifold
• Timing Cover
• Valve Covers
• Oil Pan
• Black Pulley Kit – BPP454FDPSAC4BK
  • Reverse Rotation Short Water Pump
  • 1- Wire 140amp Alternator
  • Peanut Style Air Conditioning Compressor
  • Type II Power Steering Pump with Remote Reservoir

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:

• 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.

 

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