Ford 5.4L V8 Lightning Supercharged SOHC 2 Valve Vin 3 Remanufactured Engine

Description

Suppress supercharger boost backpressure spikes and eliminate connecting rod journal galling under 450 lb-ft sustained cargo pulling across severe commercial highway freight transport corridors using this Ford 5.4L SVT Remanufactured Engine. Engineered for specialized high-performance fleet and pursuit trucks, this supercharged 2-valve modular engine features a forged 4340 steel crankshaft, heavy-duty I-beam rods, and lower-compression dished pistons.

Cast from high-nickel gray iron, this 90-degree V8 block features cross-bolted main bearing caps and an Ra 25 micro-inch deck surface finish. Internals include a forged 4340 steel crankshaft supported by cross-bolted caps, forged steel connecting rods, and dished aluminum alloy pistons. Bores receive diamond plateau honing with a 45-degree angle. Dry block weight equals 540 lbs with a six-quart oil sump capacity.

Key Features of Ford 5.4L

Specialized commercial fleets buy Ford 5.4L remanufactured engine platforms to obtain maximum supercharged hauling endurance without mechanical failure points. Machine tolerances follow strict AERA standards to provide uniform mechanical clearance throughout the entire rotating package.

• Forged 4340 steel crankshaft withstands continuous high-boost supercharger torque spikes without journal deflection.
• Lowered 8.4:1 static compression ratio prevents destructive detonation under continuous manifold boost.
• Cross-bolted four-bolt main bearing caps anchor the bottom end under severe payload acceleration stress.
• Steel spark plug thread inserts prevent spark plug thread ejection under severe commercial hauling.
• Ford 5.4L high-volume gear oil pump maintains 55 PSI cruising lubrication inside critical galleries.
• Multi-layer steel cylinder head gaskets withstand 210 PSI dynamic combustion strokes without failure.
• Diamond plateau cylinder honing provides rapid moly ring seat without cylinder bore burnishing.
• Fluoroelastomer rear main seal locks motor oil inside the crankcase envelope.

High Boost Supercharged Combustion Metrics

Operating parameters require 22 PSI hot idle pressure and 50 to 65 PSI hot cruise pressure under load. Operating thermostat regulation maintains coolant heat between 185°F and 200°F during vocational service cycles. Dyno-verified output reaches 380 continuous horsepower at 4,750 RPM and 450 lb-ft torque at 3,250 RPM. An 8.4:1 compression ratio operates within 165 to 175 PSI cylinder pressure thresholds. Radiator circuits reject 4,800 BTU/min heat during severe commercial fleet operations across regional freight corridors.

Heavy Duty Boost Driveline Dimensions

The rear crankshaft hub incorporates an 8-bolt flexplate pattern engineered for commercial 4R100 heavy-duty automatic transmissions. Crankshaft snout measures 1.259 inches with precision keyways for dynamic balancer installation. Radial dial indicators confirm crankshaft endplay between 0.003 and 0.007 inches across all thrust surfaces. Precision-ground pilot hub bores seat commercial torque converters without radial runout.

High Boost Engine Priming Protocols

Pre-lubricate oil galleries with an external pressure tank before initial ignition to coat all bearing surfaces and supercharger drive gears. Fill crankcase with SAE 5W-50 synthetic lubricant and bleed cooling system air pockets under vacuum. Not engineered for marine salt water service, aftermarket dual-pulley boost exceeding 14 PSI, or nitrous oxide injection systems.

• Inspect external supercharger drive belt alignment and tension each shift.
• Check supercharger intercooler fluid level and pump operation every 50 operating hours.
• Perform oil changes with approved motor lubricant every 3,000 miles.

High Boost SVT Warranty Manifest

Backed by our 3-Year / 100,000-Mile commercial fleet warranty against defects in material and remanufacturing craftsmanship. Shipped in a heavy-duty container containing the remanufactured long block engine, high-capacity oil pump, pickup tube, complete installation gasket set, pre-lube instructions, and dyno inspection sheets.