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BLUEPRINT ENGINESPART NUMBER: 138-BP4963CT
Big Block Chevy 496ci Base Engine 2-Piece Rear Main Seal 480HP/550TQ
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This product is no longer available. Please call customer service for assistance at 1-800-345-4545.
Chevy 496 Base Engines
- Big Block Chevy 496ci Base Engine
- 2-Piece Rear Main Seal
- 480HP/550TQ
- 9.25 To 1 Compression
Includes: - Cast Steel Crank & Rods
- Cast iron, oval port Heads
- Flat Tappet Cam
- Hypereutectic Pistons
- valve covers
- timing cover
- oil pan
Note: Balanced, blueprinted and dyno tested
Block: - 2 or 4 Bolt Main (based on core availabilty)
- 2 piece rear main sealRotating Assembly:
- New cast steel crankshaft
- GM Connecting Rods with 150,000 psi rod bolts
- Hypereutectic Pistons
- Hastings moly rings
- Rotating assembly balanced to within 2 grams
- Compression: 9:1
- High volume oil pump
- Double roller timing setCylinder Heads:
- GM cast iron oval port heads
- Screw-in studs and guide plates
- 120cc combustion chambers
- Hardened retainers & keepers
- 2.25' swirl polished intake valves
- 1.88' swirl polished exhaust valves
- Hardened push rods
- Long slot rockers Camshaft Specs:
- Flat tappet
- Duration @ .050' Lift: 236 Intake / 236 Exhaust
- Lift: .556' Intake / .556' Exhaust
- Lobe Seperation: 110°Other Features:
- Chrome valve covers
- Chrome timing cover
- New oil pan
- Brass freeze plugs Dress Model Adds:
- Edelbrock 800cfm manual choke Carburetor
- Professional single plane satin aluminum Intake Manifold
- HEI distributor & Coil
Horsepower: 480
Torque: 550Note: 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: BP4963CT
- Fuel Delivery Type: Carbureted, 800cfm
- Spark Plug: NGK 2817
- Spark Plug Gap: .045"
- Harmonic Balancer: Weighted, 8" diameter
- Flexplate/Flywheel: Weighted
- Stall Converter: 2000-2400 rpm
- 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
Part TypeEngine
BrandBLUEPRINT ENGINES
Package Height27.0
Package Width31.0
Package Length38.0
Weight560.0 PG
Part CategoryPerformance Parts
Wiring Harness IncludedNo
Spark Plug Wires IncludedNo
Air Cleaner IncludedNo
Carburetor IncludedNo
Carb Eo NumberN/A
Water Pump IncludedNo
EmissionNot Legal
Flexplate IncludedNo
AssembledYes
Engine Assembly StyleLong block
Intake Manifold IncludedNo
Engine Make/SizeChevy Big Block
Flywheel IncludedNo
Rear Main Seal Style2-piece
Valve Covers IncludedYes
Horsepower480
Distributor IncludedNo
Camshaft StyleHydraulic flat tappet
Cylinder Heads IncludedYes
Computer IncludedNo
Throttle Body IncludedNo
Harmonic Balancer IncludedNo
QuantitySold individually
Fuel DeliveryN/A
Rpm Power Range1800-5800
Engine BalanceExternal
Compression Ratio9.25:1
Oil Pan IncludedYes
Timing Cover IncludedYes
Spark Plugs IncludedNo
Vendor Part NumberBP4963CT
Package Qty1
Package TypeEA
No Questions
No Reviews
Some parts are not legal for use in California or other states with similar laws / regulations
