Ford Coyote Engines. Jim Smart

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Ford Coyote Engines - Jim Smart

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planners knew they had to look far ahead into this engine’s future at not only what performance enthusiasts would do with it, but also what Ford had planned in terms of direct injection and turbocharging. The objective was to engineer the block to a satisfactory point so that the engineers didn’t have to come back and do it again later.

      Where the Ti-VCT Coyote V-8 shines is its completely new cylinder head design and function; it has maximum flow into each cylinder and greatly reduced valvetrain friction and weight. Larger cylinder head bolts and improved sealing technology help contain much higher 11.0:1 compression.

      Because the Coyote development timeline was tight, the team had to fast track this engine through development, prototyping, testing, certification, and into production. The traditional three-year development window to get this thing turning and burning was not an option. Existing Modular mule engines had to be used to work and test Coyote engine parts for durability. A lot of scrap that didn’t measure up went into the recycle bin.

      Engine Specifications

      The Coyote engine has been produced in three basic versions between 2011 and 2016. From 2011 to 2014, induction is conventional. From 2015 and on, the Coyote is fitted with Charge Motion induction and cylinder heads. The Shelby 5.2L Voodoo is a standalone Coyote-based engine.

      2011–2014 5.0L Ti-VCT

       • 5.0L Ti-VCT DOHC V-8: 302 ci or 4,951 cc

       • Code-named “Coyote” by Ford, but not officially named

       • Bore: 3.630 inches (92 mm)

       • Pistons: Hypereutectic (high-silicon cast)

       • Stroke: 3.650 inches (93 mm)

       • Connecting Rods: Powdered metal, forged

       • Crankshaft: Forged steel with eight-bolt flange

       • Horsepower: 412 at 6,500 rpm

       • Torque: 390 ft-lbs at 4,250 rpm

       • Redline: 7,000 rpm

       • Compression: 11.0:1 naturally aspirated; 9.0:1 supercharged

       • Block: Aluminum with steel cylinder liners

       • Heads: Aluminum hemispherical four-valve

       • Timing: Variable valve, composite intake/exhaust cams

       • Manufacture: Essex, Ontario, Canada

       • Intake Manifold: Composite, 16.5-inch runners

       • Flap Valves: Charge motion for improved low-end torque and idle quality

       • Fuel Injection: Returnless electronic

       • Ignition: Coil-on-plug electronic

       • Headers: Shorty tubular stainless steel

       • Oil Capacity: 8 quarts with filter change

      2015–2016 5.0L Ti-VCT

       • 5.0L Ti-VCT DOHC V-8: 302 ci or 4,951 cc

       • Code-named “Coyote” by Ford, but not officially named

       • Bore: 3.630 inches (92 mm)

       • Pistons: Hypereutectic (high-silicon cast)

       • Stroke: 3.650 inches (93 mm)

       • Connecting Rods: Powdered metal, forged

       • Crankshaft: Forged steel with eight-bolt flange

       • Horsepower: 435 at 6,500 rpm

       • Torque: 400 ft-lbs at 4,250 rpm

       • Redline: 7,000 rpm

       • Compression: 11.0:1 naturally aspirated; 9.0:1 supercharged

       • Block: Aluminum with steel cylinder liners

       • Heads: Aluminum hemispherical four-valve

       • Timing: Variable valve, composite intake/exhaust cams

       • Manufacture: Essex, Ontario, Canada

       • Intake Manifold: Composite, 16.5-inch runners

       • Flap Valves: Charge motion for improved low-end torque and idle quality

       • Fuel Injection: Returnless electronic

       • Ignition: Coil-on-plug electronic

       • Headers: Shorty tubular stainless steel

       • Oil Capacity: 8 quarts with filter change

      2015–2016 5.2L Shelby GT350 Voodoo

       • 5.2L DOHC V-8: 315 ci, or 5,163 cc

       • Code-named “Voodoo” by Ford, but not officially named

       • Bore: 3.700 inches (94 mm)

       • Pistons: Hypereutectic (high-silicon cast)

       • Stroke: 3.660 inches (93 mm)

       • Connecting Rods: Powdered metal, forged

       • Crankshaft: Forged steel with eight-bolt flange

       • Horsepower: 526 at 7,500 rpm

       • Torque: 429 ft-lbs at 4,750 rpm

       • Redline: 8,000-rpm

       • Compression: 12.0:1 naturally aspirated

       • Cylinder Liners: Plasma transferred wire arc, sprayed-on

       • Heads: Aluminum hemispherical four-valve

       • Timing: Variable valve, composite intake/exhaust cams

       • Manufacture: Essex, Ontario, Canada

       • Intake Manifold: Composite, 16.5-inch runners, 87-mm throttle body

       • Flap Valves: Charge motion for improved low-end torque and idle quality

       • Fuel Injection: Returnless electronic

       • Ignition: Coil-on-plug electronic

       • Headers: Shorty tubular stainless steel

       • Oil Capacity: 8 quarts with filter change

      To get the Ti-VCT where Team Coyote wanted it necessitated a lot of back and forth between hardware people in engine building and dyno rooms and software geeks who compared

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