ATK Engines HP96 High-Performance Marine Small Block Chevy 383ci Crate Engine – 380 HP / 445 TQ
ATK Engines HP96 High-Performance Marine Small Block Chevy 383ci Crate Engine – 380 HP / 445 TQ - Image 2
ATK Engines HP96 High-Performance Marine Small Block Chevy 383ci Crate Engine – 380 HP / 445 TQ - Image 3
ATK Engines HP96 High-Performance Marine Small Block Chevy 383ci Crate Engine – 380 HP / 445 TQ - Image 4

ATK Engines HP96 High-Performance Marine Small Block Chevy 383ci Crate Engine – 380 HP / 445 TQ

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SKU: PRIMECORE-HP96
In Stock

$3,499.00

High Performance Marine Crate Engine

  • Small Block Chevy 383ci
  • 380HP / 445TQ
  • Base Engine Includes:
    • Short Block
    • Camshaft
    • Timing Set
    • Cylinder Heads
    • Valve Covers
    • Timing Cover
    • Oil Pan
    • Oil Pump w/Pickup Tube
    • Flexplate
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Questions before you order?

Confirm your vehicle, VIN and application before ordering. Call (478) 379-2400 or ask about fitment.
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Description

Engine Features:

  • Horsepower: 380 hp
  • Torque: 445 lb/ft

Block Information:

  • Seasoned OE 4 bolt main 1pc seal 1996-2000
  • Bore/Stroke: 4.040″ x 3.750″
  • Displacement: 383ci

Rotating Assembly:

  • Crankshaft: Scat nodular iron
  • Balance: External rear, internal front
  • Rods: Scat 4340 I Beam 5.7″ with ARP 8740 bolts
  • Compression Ratio: 9.1:1
  • Pistons: Hypereutectic
  • Rings: Moly

Camshaft Specs:

  • Camshaft: Hydraulic roller
  • Cam Duration @ .050″: Intake 210 / Exhaust 215
  • Cam Lift: Intake .462″ / Exhaust .470″
  • Lobe Separation Angle: 114lsa
  • Timing Chain: Double roller

Cylinder Head Information:

  • Cylinder Heads: Dart SHP American made aluminum
  • Combustion Chamber: 72cc
  • Intake Runner: 180cc
  • Valve Size: 2.02″ Intake / 1.60″ Exhaust
  • Rocker Arms: Stamped steel 1.5 ratio

Oil Pan Information:

    • Oil Pan: Rear sump 5qt (not for Chevelles with steering behind crossmember, some Corvettes, and 1962-1967 Chevy II’s
    • Oil Pump: Melling standard volume

Engine Info

      • Firing Order: 18436572
      • Flexplate: External balance
      • Octane: 91+
      • Oil: 10W30 (Conventional / Non Synthetic)
      • Oil Filter: Wix or K&N
      • Spark Plug Gap: .035″
      • Timing: 34-36 Degrees

Recommended Components

      • Balancer: Internal balance
      • Carburetor: Marine grade 650-680cfm
      • Distributor: Marine grade with iron gear
      • Intake Manifold: Weiand Stealth dual plane #925-8150WND
      • Fuel Pump: Holley Mechanical 110gph #510-12-327-11
      • Spark Plugs: Autotile #417-3923
      • Spark Plug Wires: Marine grade 8mm
      • Water Pump: Per application

 

Disclaimer: Verify compatibility before installation. Vehicle modifications may be required.

Emissions Note: This part is only legal for sale and use on Uncontrolled (Non-Emissions Controlled) Vehicles or on vehicles used solely for the purposes of closed competition racing.

Part Type Engine
Product Line ATK HP Marine Crate Engine Small Block Chevy 383ci / 380HP / 445TQ
Cylinder Head Material Aluminum
Engine Block Material Cast iron
Engine Displacement 383 ci.
Engine Make/Size Chevy Small Block
Engine Type High-Performance Crate Engine
Package Depth 38.00
Package Height 38.00
Package Width 38.00
Part Category Performance Parts
Part Fitment Semi Universal
Quantity Sold individually
Shipping Weight 435.00
Vendor Part Number HP96

Use or break-in oil or conventional (non-synthetic) 10w30 oil with zinc additive for the first 500 miles of operation.  Do not drive for long periods at any single speed, always vary your speed. Do not tow a trailer or put other heavy loads on the vehicle. It is best to avoid long periods of idling during this period. Check the engine oil and coolant levels daily.

Engines with flat tappet hydraulic cams only - Run the engine between 2,000 and 2,500 RPM\\\'s, with no-load on the engine for the first 30 minutes. Let the engine cool down completely and repeat process 2-3 more times. Do not idle the engine for any extended period at this time, this is critical to break in the camshaft.

At 500 Miles change the engine oil and filter using conventional (non-synthetic) oil with a zinc additive. Check fuel and ignition settings, adjust valves (where applicable).  Drive the next 500 miles normally, without high RPM\\\'s (below 5000 RPM), hard use, or extended periods of high loading or long periods of idling.

Change the oil and oil filter again at 1,000 miles. Continue using conventional (non-synthetic) oils and zinc additive, until about 4,000 miles. At that point, you may run a quality 10w30 synthetic oil if you choose. Use of oil with zinc or a zinc additive for the life of your engine is recommended.

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