Description
ATK HP20C Ford 347 Stroker Complete with Fox Body Oil Pan
Engine Specifications:
- HP: 415
- TQ: 430
- Block: Seasoned OE Roller Block 1987-1995
- Bore/Stroke: 4.040 x 3.400
- Displacement: 347CI
- Crankshaft: Scat nodular iron external balance 28oz
- Rods: Scat 4340 forged I beam with ARP 8740 bolts
- Pistons: Forged 10:1 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: Fox Body (Mustang Dual Sump)
- Oil Pump: Melling high volume
- Balancer: External balance 28oz (with Scat kit)
- Flexplate/Flywheel: External balance 28oz 164 tooth (with Scat kit)
- Intake Manifold: Edelbrock performer RPM #7121
- Carburetor: Quick Fuel 680CFM vacuum secondary’s electric choke #HR-680cfm
- Fuel Pump: Mechanical fuel pump
- Distributor: Pro billet (upgraded melonite gear)
- Spark Plugs: Autolite #3923
- Spark Plug Wires: MSD 8mm #5541
- Water Pump: OE reverse rotation LH inlet
Engine Info:
- Oil: Conventional / Non Synthetic 10W30
- Oil Filter: Wix or K and 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.
| KEY SPECS | |
|---|---|
| MFG. Part # | HP20C |
| Brand | ATK Engines |
| Engine Displacement | 5.7 liters |
| Camshaft Type | Hydraulic Roller |
| Cylinder Head Material | Aluminum |
| Carburetor Included | Yes |
| Intake Manifold Included | Yes |
| Distributor Included | Yes |
| Valve Covers Included | Yes |
| Engine Balance | External |
| Cylinder Heads Included | Yes |
| Rear Main Seal Style | 1-piece |
| Throttle Body Included | No |
| Oil Pan Included | Yes |
| Timing Cover Included | Yes |
| Water Pump Included | Yes |
| Harmonic Balancer Included | Yes |
| Flexplate Included | Yes |
| Flywheel Included | No |
| Air Cleaner Included | No |
| Spark Plugs Included | Yes |
| Spark Plug Wires Included | Yes |
| Computer Included | No |
| Wiring Harness Included | No |
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