VEGE DCX6 6.6L 403ci Car Truck Long Block Remanufactured Crate Engine

Description

Satisfy stringent fleet service durability demands with the VEGE DCX6 Remanufactured Crate Engine car truck long block package. Displacement totals 403 cubic inches across a 6.6L turbo diesel V8 architecture. This remanufactured package produces 365 brake horsepower at 3,200 RPM plus 660 lb-ft torque at 1,600 RPM for extreme towing missions.

Compacted gray cast iron forms the deep-skirt engine block casting with cross-bolted six-bolt main bearing caps anchoring the crank train. The rotating group incorporates a forged 4340 alloy steel crankshaft matched to forged steel connecting rods. Forged aluminum pistons travel through 4.055-inch cylinder bores stroked across 3.897 inches. Static compression ratio checks out at 16.8:1. Sump capacity measures 10.0 quarts in a heavy steel oil pan while total dry weight registers at 835 lbs.

Key Features of VEGE DCX6

Truck operators buy VEGE DCX6 crate engine packages to repower Silverado 2500HD and 3500HD work trucks. Precision CNC machining restores factory tolerances to maintain dependable service across continuous interstate transport routes.

• 4.055-inch bore cylinders receive precision plateau honing to seat compression rings under high turbocharger boost.
• 33.0mm intake valves promote smooth airflow into high-swirl cylinder head combustion bowls.
• 31.0mm exhaust valves withstand high exhaust gas temperatures under full throttle pulling loads.
• 0.380-inch camshaft valve lift sustains flat torque profiles across low engine speeds.
• Precision gear-driven camshaft timing eliminates chain stretch under heavy diesel operating loads.
• Viscous harmonic balancers suppress torsional crankshaft vibration during heavy towing operation.
• Roller follower valvetrain bridges minimize internal friction to enhance VEGE DCX6 diesel motor stamina.
• 57cc combustion bowl pistons regulate flame propagation to halt thermal detonation cycles under load.

Combustion Profile Diesel Dyno Output

Operating across an effective power band of 1,400 to 3,200 RPM, this V8 diesel engine outputs 365 brake horsepower at 3,200 RPM and 660 lb-ft torque at 1,600 RPM. Camshaft specifications post 187 degrees intake and 196 degrees exhaust duration measured at 0.050-inch lift, accompanied by 0.380-inch valve lift. Combustion stability requires clean ultra-low-sulfur diesel fuel. Positive intake manifold pressure generates zero idle vacuum while high-pressure oil pumps sustain 50 to 80 PSI oil pressure hot under heavy payload demands.

Chassis Mating Diesel Drivetrain Clearance

The rear engine face features the Allison 1000 six-bolt bellhousing bolt pattern for heavy-duty transmissions. Crankshaft balance meets internal neutral balance specifications matching solid flywheel discs. Motor mount pad dimensions drop straight into Silverado HD chassis without steering linkage interference, providing three inches of clearance above front crossmembers and four inches of firewall clearance.

Break In Protocols Diesel Thresholds

Pre-fill the oil filter and prime lubrication galleys with an auxiliary pressure tool prior to starter engagement. Circulate 15W-40 heavy diesel oil and vent cooling passages of trapped air pockets. This engine is not engineered for gasoline fuels, engine speeds exceeding 3,800 RPM, or competition pulling sleds running oversized non-wastegated turbos.

• Replace initial break-in oil and spin-on filters after the first 50 miles.
• Inspect fuel filter restriction and crankcase blowby every 3,000 miles of severe service.
• Flush engine coolant passages and inspect accessory tensioners every 12 months of service.

Diesel Warranty Crate Manifest Itemization

Each diesel unit includes a 24-Month / 50,000-Mile factory limited warranty for commercial fleet operations. The reinforced heavy wooden shipping crate contains the remanufactured long block, oil pan, front cover, rear cover, high-volume oil pump, dyno certification verification documents, and a technical installation instruction manual.