ATK Engine HP78C Ford 302 Complete Engine 375HP Front Sump Pan
ATK Engine HP78C Ford 302 Complete Engine 375HP Front Sump Pan
ATK Engines

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#35020205

ATK Engine HP78C Ford 302 Complete Engine 375HP Front Sump Pan

  • Block: Seasoned OE Roller Block 1987-1995
  • HP: 375
  • TQ: 380
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Level Of Dress:

#2 Complete Dress - Carburetor

#1 Mid Dress#2 Complete Dress - EFI

$7,429.99

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Product Summary

Long Block Crate Engine Type, 9.5:1 Compression Ratio

  • Block: Seasoned OE Roller Block 1987-1995
  • HP: 375
  • TQ: 380
  • Cam Specs: 220/224 @50 .512in/.512ex 112LSA
  • Cylinder Heads: Dart aluminum 58cc/170cc 2.02/1.60
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Key Specs

Crate Engine TypeLong Block
Compression Ratio9.5:1
Engine Displacement302 cu. in.
Camshaft TypeHydraulic Roller
Cylinder Head MaterialAluminum
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ATK Engines HP78C Details

Engine Specifications:
• HP: 375
• TQ: 380
• Block: Seasoned OE Roller Block 1987-1995
• Bore/Stroke: 4.040 x 3.000
• Displacement: 302CI
• Crankshaft: OE 1 piece seal external balance 50oz
• Rods: OE
• Pistons: Hypereutectic 9.5:1 compression
• Rings: Moly
• Camshaft: Hyd. Roller
• Cam Specs: 220/224 @50 .512in/.512ex 112LSA
• Timing Chain: Double roller
• Cylinder Heads: Dart aluminum 58cc/170cc 2.02/1.60
• Rocker Arms: Aluminum 1.6 roller rockers
• Oil Pan: Front sump
• Oil Pump: Melling high volume
• Balancer: External balance 50oz
• Flexplate/Flywheel: TCI external balance 50oz 157 tooth #529610
• Intake Manifold: Edelbrock performer RPM dual plane #7121
• Water Pump: Early RH inlet standard rotation
• Distributor: Pro Billet (upgraded melonite gear)
• Carburetor: Quick Fuel 680CFM vacuum secondary’s electric choke #HR-680cfm
• Fuel Pump: Mechanical fuel pump
• Spark Plugs: Autolite #3923
• Spark Plug Wires: 8mm

Engine Info:
• Oil: Conventional / Non Synthetic 10W30
• Oil Filter: Wix or K&N
• Timing: 34-36 Degrees
• Spark Plug Gap: .035”
• Firing Order: 13726548
• Octane: 91+
• Stall Converter: 2400-2800
• Exhaust: 1 5/8

 

Disclaimer: The parts listed are ATK’s recommendations of parts to be used to obtain our power figures listed. Power figures can vary based on parts used by the end user. It is the customer’s responsibility to verify components will work in their application. Some modifications to the vehicle may be required using these and or other aftermarket parts. . ATK reserves the right to substitute parts used in engines if necessary.

CARB Warning

Follow EPA, CARB, and state regulations for engine changes

Emissions warning: this part is for vehicle engine changes, not direct oem engine replacements. In California, engine changes are legal when done in compliance with California bureau of automotive repairs (bar) engine change policy. For assistance, call bar referee at: (800) 622-7733. And see https://bar.Ca.Gov/consumer/smog_check_program/engine_changes. All customers must comply with federal epa mobile source enforcement memorandum no. 1a (and addendum) and all applicable state regulations when conducting engine changes. Improper installation and/or use of this part in California may subject the installer and/or owner to a $37,500 penalty per violation per vehicle, revocation of registration, loss of use on California public right of ways, and proof of correction for tampering. There are similar restrictions and penalties under federal law and laws of all states for use of this engine change part on makes or models of vehicles that render them noncompliant with applicable state and/or federal emission laws with penalties under federal law of up to approximately $45,268 per tampered vehicle and/or engine
CA Prop 65
CARB warning

ATK Engines HP78C Specifications

KEY SPECS
MFG. Part #HP78C
BrandATK Engines
Crate Engine TypeLong Block
Compression Ratio9.5:1
Engine Displacement302 cu. in.
Camshaft TypeHydraulic Roller
Cylinder Head MaterialAluminum
Piston MaterialHypereutectic Aluminum
Carburetor IncludedYes
Intake Manifold IncludedYes
Distributor IncludedYes
Valve Covers IncludedYes
Engine BalanceExternal
Cylinder Heads IncludedYes
Rear Main Seal Style1-piece
Throttle Body IncludedNo
Timing Cover IncludedYes
Oil Pan IncludedYes
Water Pump IncludedYes
Harmonic Balancer IncludedYes
Flexplate IncludedNo
Flywheel IncludedNo
Air Cleaner IncludedNo
Spark Plugs IncludedYes
Spark Plug Wires IncludedYes
Computer IncludedNo
Wiring Harness IncludedNo
Recommended Fuel91 Octane
Imbalance50 oz.
GENERAL
Torque380 ft./lbs.
Horsepower375 horsepower
Combustion Chamber Volume58cc
Camshaft Duration (.050 in)220° intake / 224 ° exhaust
Camshaft Lift (in).533 Intake / .554 Exhaust
Bore x Stroke (in)4.060" x 3.000"

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Fitment

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