Description
ATK HP11 Ford 351W Base Engine 385HP
Engine Specifications:
- HP: 390
- TQ: 420
- Block: Seasoned OE roller block 1993-1997
- Bore/Stroke: 4.040 x 3.500
- Displacement: 351
- Crankshaft: OE 1 piece rear main seal 28oz balance
- Rods: OE
- Pistons: Hypereutectic 9.8:1 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 28oz
- Flexplate/Flywheel: External balance 28oz
- Intake Manifold: Weiand Stealth dual plane #8023
- Distributor: Pro billet RTR (with upgraded melonite or steel gear)
- Water Pump: Early RH inlet standard rotation
- 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
Engine Info:
- Oil: Conventional / Non Synthetic 10W30
- Oil Filter: Wix or K and N per application
- Timing: 34-36 Degrees with vacuum port plugged on carburetor
- Spark Plug Gap: .035”
- Firing Order: 13726548
- Octane: 91+
- Stall Converter: 2200-2500
- Exhaust: 1 5/8 Headers
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 # | HP11 |
| Brand | ATK Engines |
| Engine Displacement | 5.8 liters |
| Camshaft Type | Hydraulic Roller |
| Cylinder Head Material | Aluminum |
| Carburetor Included | No |
| Intake Manifold Included | No |
| Distributor Included | No |
| 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 | No |
| Harmonic Balancer Included | No |
| Flexplate Included | No |
| Flywheel Included | No |
| Air Cleaner Included | No |
| Spark Plugs Included | No |
| Spark Plug Wires Included | No |
| Computer Included | No |
| Wiring Harness Included | No |
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