VEGE Remanufactured DCWE 8.1L 496ci Heavy Duty Long Block Engine
Heavy duty commercial trucks require VEGE Remanufactured DCWE 8.1L 340HP heavy duty long block engine crates. Features a 496 CID displacement block optimizing heavy payload hauling power. Mount your transmission.
- 340 HP pulls classic utility vehicles
- 455 TQ dominates aggressive towing operations
- Cast iron block minimizes structural stress
Description
Severe oil consumption through intake runner vacuum leaks and crankshaft position sensor dropouts terminate after installing the VEGE Remanufactured DCWE 8.1L Long Block Engine. Supplying 340HP from a 496ci 8-Cylinder commercial long block repower platform, this unit drives commercial medium-duty haulers. Installers must inspect the oil cooler bypass valve pressure relief spring inside the block oil filter pad prior to mounting.
Cast from heavy ASTM A48 Class 35 gray iron, the massive crankcase provides structural strength to resist torsional bending under severe cargo loads. The VEGE engine core utilizes induction-hardened forged steel crankshaft journals and stellite exhaust valves. Cranking starter demand requires 12V 190A. Engine dry weight measures 645 lbs inside a 31in length, 28in width, 30in height chassis envelope holding 6.5 quarts oil.
Key Features of VEGE DCWE
Municipal highway maintenance fleets buy VEGE DCWE commercial long block configurations to eliminate recurring oil consumption under sustained throttle loads. Modern clean-room shops enforce verified industrial engine rebuild benchmarks throughout each production cycle.
- Forged micro-alloy steel crankshaft features micro-polished journal surfaces with 0.0003in TIR runout tolerance.
- Reinforced intake manifold port sealing beads eliminate oil aspiration from the internal crankcase valley.
- Centrifugally cast iron cylinder walls receive fine diamond plateau honing for long ring life.
- CNC milled deck surfaces ensure 0.0002in flatness to stop high-pressure cylinder head fire-ring blowby.
- High-volume internal oil pump maintains 55 PSI line pressure across demanding fleet hauling routes.
- DCWE commercial core architecture incorporates heavy cross-bolted main bearing caps for crankcase rigidity.
- Tri-metal copper-lead bearings establish 0.0016in running clearance to protect crank journals from wear.
Dynamometer Test Bench Load Ratings
Test cell dynamometers certify 340 continuous BHP paired with 455 ft-lbs torque output at 3800 RPM continuous test load. Fluid sensors record 55 PSI galley oil pressure at 195°F oil sump temperature, while exhaust gas temp settles at 1280°F under maximum pull. Cylinder pressure gauges verify 175 PSI compression across every cylinder within a 3% tolerance. Crankshaft runout registers 0.0003in TIR on the DCWE long block engine.
Vehicle Setup Guidance Maintenance Rules
Throttle cam return spring pull effort registers 6 lbs force on the accelerator lever bracket. This powertrain is NOT manufactured for light passenger vehicles or front-wheel-drive marine inboard transmissions. Installation technicians must execute verified startup maintenance protocols without exception.
- Drain break-in engine oil reservoir and replace oil filter at 500 miles or 30 hours.
- Set hydraulic roller lifter preload depth between 0.040in and 0.050in before sealing valve covers.
- Check exhaust manifold stud nuts for proper clamping tension after the initial run cycle.
Warranty Statement Shipping Pallet Inventory
Production execution adheres strictly to VEGE assembly standard metrics backed by a 3-Year 100,000-mile parts coverage term. Secure shipment includes the rebuilt long block engine, steel oil sump pan, front timing chain cover, valve covers, oil pickup screen, and verified shop dyno printout.
VEGE Long Block Crate Engines DCWE Specs
| Brand | VEGE Engines |
| Engine Model | DCWE |
| Part Type | Crate Engines |
| Product Line | VEGE Long Block Crate Engines |
| Engine Type | VRE-DCWE |
| UPC | 653517143038 |
| Actual Engine Displacement | 8.1L/496 |
| Assembled | Yes |
| Intake Manifold Included | No |
| Cylinder Heads Included | Yes |
| Carburetor Included | No |
| Throttle Body Included | No |
| Distributor Included | No |
| Oil Pan Included | No |
| Valve Covers Included | No |
| Timing Cover Included | No |
| 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 |
| Supercharger Included | No |
| Special Attention | Engine includes oil pump and gasket. |













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