4l80e gear ratios GM Big Block Compatible 598 C.I. Engine and 4L80E Automatic Transmission - 741 Horsepower - Standard Edition Builder Series

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

Ignition Timing:

• 38° Total Timing

Also Includes:

• Pro Series Ready Run Distributor - BPP3503BK
• Holley Sniper 2 EFI System - BPP550841
• Thermostat and Thermostat Housing
• Harmonic Balancer - BPP454I
  
• Spark Plugs and Wires
• Electric Fuel Pump
• Intake Manifold
  
• Timing Cover
• Valve Covers
• Oil Pan
  
• Polished Pulley Kit - BPP454FDPSAC4
  
  • 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.