BluePrint GM engines give you brute, honest horsepower that'll leave others in your rear view mirror. Manufactured using the Brand New, Made in the USA, BluePrint exclusive engine block. These completely brand new blocks are Square and parallel decked, have align honed main bearing bore. The cylinders are sonic tested for thickness and cylinders honed on computer controlled machine to within .0002 straightness and roundness.
Power: 436HP / 455 ft. lbs. of torque
Displacement: 377 CID
Bore x Stroke: 4.00” x 3.75”
Compression Ratio: 10.0:1
Recommended Fuel: 91 Octane
Block: Brand New, USA Manufactured & Machined Cast Iron, 1 piece rear seal, 4-bolt main caps with passenger side oil dip stick hole, brass freeze plugs.
Crankshaft: Brand New Cast
Connecting Rods: Cast 5.7” with 150,000 psi bolts
Pistons: Hypereutectic Aluminum pistons
Camshaft: Hydraulic Roller Tappet
Cam Lift: .528” Intake / .536” exhaust
Cam Duration @ .050”: 221 deg. Intake / 226 deg. Exhaust
Lobe Separation: 110 Degree
Cylinder Heads: Straight Plug Performance Aluminum, manufactured to accept both pre-85 and Vortec intake manifolds as well as center bolt and perimeter bolt pattern valve covers.
Combustion Chamber: 64cc
Valves: 2.02” Intake/ 1.60” Exhaust
Rocker Arms: Aluminum Roller, 1.5:1 Ratio
Valve Springs: Dual Max 575” Lift
Balance: External Front, External Rear
Ignition Timing: Base 10 degrees BTDC, 34 degrees total
• Fully assembled long block
• Stamped Steel Chrome Valve Covers
• Melling High Volume Oil pump, pick-up and oil pan
• Front timing cover with 8” timing pointer
• Oil Filter Adapter
• Dyno Test Sheet
BluePrint limited 30 month / 50,000 mile parts & labor warranty. Click Here to view or download warranty form.