Description
ATK HP46C-MAG Chrysler 408 Magnum Complete Engine 465HP
Engine Specifications:
- HP: 465
- TQ: 535
- Block: OE Magnum roller block 1993-2001
- Bore/Stroke: 4.040” x 4.000”
- Displacement: 408CI
- Crankshaft: Scat Nodular Iron internally balanced
- Rods: Scat I Beam 5.7” Rods with ARP 8740 Bolts
- Pistons: Forged 10:1 compression
- Rings: Moly
- Camshaft: Hyd. roller
- Cam Specs: 229/233 @50 .520in/.515ex 110LSA
- Timing Chain: Double roller
- Cylinder Heads: Edelbrock performer RPM aluminum 58cc/176cc 2.02/1.60
- Rocker Arms: Billet aluminum roller rockers 1.6 ratio
- Oil Pan: OE front sump 5qt
- Oil Pump: Melling HV volume
- Flexplate/Flywheel: (Not Provided)- Magnum internal balance
- Balancer: Internally balanced
- Intake Manifold: Edelbrock performer RPM air gap dual plane #7577
- Distributor: Pro billet RTR (Iron Gear)
- Water Pump: OE early pump
- Carburetor: Quick Fuel 780CFM vacuum secondary’s electric choke #HR-780
- Fuel Pump: Holley mechanical 110GPH #12-360-11
- Spark Plugs: Autolite #3923
- Spark Plug Wires: 8mm
Engine Info:
- Oil: Conventional / Non synthetic 10W30
- Oil Filter: Wix or K and N
- Timing: 34-36 Degrees
- Spark Plug Gap: .035”
- Firing Order: 18436572
- Octane: 91+
- Stall Converter: 2500+
- Exhaust: 1 3/4 Headers
- Engine Vacuum: 10-11? @ 800RPM – 12-13? @ 1000RPM – 16? @ 1500RPM – 18? @ 2500RPM
Notes:
Valve covers are now the Edelbrock version of this same valve cover (Black Finned).
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 # | HP46C-MAG |
| Brand | ATK Engines |
| Engine Displacement | 6.7 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 | Internal |
| 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 | No |
| 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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