Description
ATK HP32C-EFI Chevy Vortec 350 with FITECH EFI 350HP
Engine Specifications:
- HP: 350
- TQ: 400
- Block: OE roller block 4 bolt main 1pc seal 1996-2000
- Bore/Stroke: 4.040” x 3.480”
- Displacement: 350CI
- Crankshaft: OE Reground external balance rear of crank/internal balance front of the crank
- Rods: OE powder metal 5.7”
- Pistons: Hypereutectic 9.5:1 compression
- Rings: Moly
- Camshaft: Hyd. roller
- Cam Specs: 220/224 @50 .495in/.502ex 110LSA
- Timing Chain: Double roller
- Cylinder Heads: Vortec cast iron 67cc 1.94/1.50
- Rocker Arms: Stamped steel 1.5 ratio
- Oil Pan: Rear sump 5qt (not for Chevelles with steering behind crossmember, some corvettes and 62-67 chevy II’s)
- Oil Pump: Melling STD Volume
- Balancer: Internally balanced – PowerBond #PB1046-N
- Flexplate/Flywheel: Externally balanced – Pioneer #FRA-159
- Intake Manifold: ATK HP dual plane
- Distributor: HEI (Iron Gear)
- Water Pump: OE long pump
- EFI System: Fitech Go Street EFI 400HP (throttle body, wire harness and handheld unit included)
- Fuel Pump: Not Provided – must run electric pump or mechanical fuel pump with Fitech Fuel Command Center
- Spark Plugs: Autolite #605
- 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: 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 # | HP32C-EFI |
| Brand | ATK Engines |
| Engine Displacement | 5.7 liters |
| Compression Ratio | 9.5:1 |
| Camshaft Type | Hydraulic Roller |
| Cylinder Head Material | Cast Iron |
| Carburetor Included | No |
| Intake Manifold Included | Yes |
| Distributor Included | Yes |
| Valve Covers Included | Yes |
| Engine Balance | Internal/External |
| Cylinder Heads Included | Yes |
| Rear Main Seal Style | 1-piece |
| Throttle Body Included | Yes |
| 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 | Yes |
| Wiring Harness Included | Yes |
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