2008-2010 6.4L Power Stroke
The Navistar-built 6.4L was the first Power Stroke to feature common-rail injection—and it also came with compound turbos.
The 6.4L Power Stroke was offered in Ford Super Duty trucks from 2008 to 2010.
Engine Name: 6.4L Power Stroke (Ford), MaxxForce 7 (Navistar)
Production Plants: Indianapolis, Indiana and Huntsville, Alabama
Configuration: V-8
Bore: 3.87-inch
Stroke: 4.13-inch
Displacement: 390 ci (6.4L)
Compression Ratio: 17.5:1
Block: Cast-iron (gray iron), parent bore with bed plate, rear geartrain accessible via rear cover, in-block oil cooler
Heads: Cast-iron with four (16mm diameter) torque-to-yield head bolts per cylinder (with sharing), 160 cfm intake flow per cylinder
Crankshaft: Forged-steel
Connecting Rods: Powdered-metal with 11/32-inch rod bolts
Pistons: Cast-aluminum
Valvetrain: Overhead valve (OHV), 4 valves per cylinder, single cam-in-block design with hydraulic lifters
Injection System: Siemens high-pressure common-rail, electronically controlled, direct injection, 25,000-psi peak in-cylinder fuel pressure
Injection Pump: In-block integrated, rear-driven Siemens K16 VDO high-pressure fuel pump (HPFP)
Injectors: Piezoelectric common-rail injectors with 6-hole nozzles and 150-degree spray angle, under valve cover
Firing Order: 1-2-7-3-4-5-6-8
Aspiration: Sequential (compound) turbocharged and intercooled
Intake: 90-degree intake elbow and one-piece, aluminum, cylinder head-mounted intake manifold
Turbos: BorgWarner series sequential system with 52mm (compressor inducer) high-pressure variable geometry turbo (VGT) and 65mm (compressor inducer) low-pressure turbo
Intercooler: Air to air
Emissions Equipment: Exhaust gas recirculation (EGR) with dual EGR coolers, diesel oxidation catalyst (DOC), diesel particulate filter (DPF), active and passive regeneration events, variable geometry turbocharger
Overall Weight: 1,130 lbs (wet)
Horsepower: 350 hp at 3,000 rpm
Torque: 650 lb-ft at 2,000 rpm
Available Transmissions: 5R110W five-speed TorqShift automatic, ZF-6 six-speed manual
