Chevy BB 496ci Long Block
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HP & Torque: 440 HP / 560 FT LBS

Compression Ratio: 8.6:1

Cast Iron Heads

Flat Tappet Cam

Cast Steel Crank

Hypereutectic Pistons

BLOCK:

Hand picked seasoned block

Square and parallel decked

Align honed main bearing bore

Cylinders honed on computer controlled machine to within .0002 straightness and roundness

Cylinders are sonic tested for thickness

4.250" Bored .060" over

2-Piece Rear Main Seal

Mech fuel pump provision: Yes

Standard Deck

ROTATING ASSEMBLY:

New BluePrint Cast steel crankshaft

4.250" Stroke

OEM type 6.385" connecting rods w/ 150,000 psi bolts

Hypereutectic pistons

External

CYLINDER HEADS:

Small round internal port

120 cc chambers

Screw-in studs and guide plates

Hardened retainers & keepers

2.25 swirl polished intake valves

1.88 swirl polished exhaust valves

Hardened push rods

Long slot rockers

Cylinder heads feature a .300 in. raised exhaust port vs an OEM casting.

Must verify header/exhaust clearance

CAM SPECS:

Cam Type: Flat Tappet

.552 Intake .555 Exhaust

230 Intake / 236 Exhaust duration

@ .050 - 110 degree lobe separation

IGNITION TIMING:

34 degrees total at 3500 RPM

ALSO INCLUDES:

New valve covers, oil pan and timing cover

Brass freeze plugs

Dyno tested and shipped with results

Leverantörens produktinformation
  • Air Cleaner Included: No
  • Block Description: 2 bolt main, 2 piece rear main seal
  • Cam: Flat tappet, 552 Intake / .555 Exhaust & 230 Intake / 236 Exhaust duration @ .050 - 110 degree lobe separation
  • Carburetor/ Fuel Injection Included: No
  • Compression Ratio: 8.6 to 1
  • Country of Origin: USA
  • Crankshaft Vendor: BluePrint
  • Cylinder Head Vendor: BluePrint
  • Cylinder Heads: Cast iron, 120cc chamber, Small Round Int Port
  • Cylinder Heads Included: Yes
  • Description: Base 496 BBC Stroker
  • Dimensions: 35"Wx34"Lx44"H
  • Distributor Included: No
  • Distributor Vendor: N/A
  • Engine Balance: External- Front External- Rear
  • Firing Order: 1,8,4,3,6,5,7,2
  • Flexplate/ Flywheel Included: No
  • Fuel Delivery Type: Carbureted, 800cfm **Not included**
  • Fuel Delivery Vendor: N/A
  • Harmonic Balancer Included: No
  • HP: 440
  • Intake Manifold Included: No
  • Intake Manifold Type: Dual plane, satin aluminum
  • Intake Manifold Vendor: N/A
  • Oil Pan Included: Yes
  • Pistons: Hypereutectic
  • Quantity: EA
  • Rear Main Seal Style: 2 pc
  • Recommended Flywheel / Flexplate: Weighted
  • Recommended Harmonic Balancer: Weighted, 8" diameter
  • Recommended Octane Fuel: 91 Octane
  • Recommended Spark Plug Gap: .045"
  • Recommended Spark Plugs: NGK 2817
  • Recommended Stall Converter: 2000-2400 rpm
  • Rotating Assembly: Cast crank - 4.250" stroke and 6.135" rods
  • Shipping Weight: 589
  • Spark Plug Wires Included: No
  • Spark Plugs Included: No
  • Timing Cover Included: Yes
  • Timing Requirements: Initial timing - 10-16° and Total timing 32-34°
  • TQ: 560
  • Valve Covers Included: Yes
  • Water Pump Included: No
  • CID: 496 - 496
  • Fabrikat: GM
  • HP: 440 - 440