ATK Engines HP78 Ford 302 Base Engine, 365HP

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

Recommended Components:
• Balancer: External balance 50oz
• Flexplate/Flywheel: External balance 50oz
• Intake Manifold: Edelbrock performer RPM dual plane #7121
• Distributor: Pro billet RTR (with upgraded melonite or steel gear)
• Carburetor: Quick Fuel 680CFM vacuum secondary’s electric choke #HR-680cfm
• Fuel Pump: Holley Mechanical 110GPH #12-289-11
• Spark Plugs: Autolite #3923
• Spark Plug Wires: 8mm
• Water Pump: Early RH inlet standard rotation. HP78 Ford 302 Base Engine

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.

These engines are year and model specific.  All cores must be returned to ATK as they will provide the bill of lading and schedule the pickup once contacted.  Do NOT return cores to Speedway Motors.  Please refer to the link under the Installation Details or click hotrodpartz.com for more information.