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Diagram of an exhaust manifold from a Kia Rio. 1. manifold; 2. gasket; 3. nut; 4. heat shield; 5. heat shield bolt Ceramic-coated exhaust manifold on the side of a performance car. In automotive engineering, an exhaust manifold collects the exhaust gases from multiple cylinders into one pipe.
Other changes include Gen. 3 specific camshafts, enlarged intake and exhaust valves, an increased compression ratio of 12.0:1, a revised intake manifold, and 7500 rpm redline in the Mustang. With these changes the updated 5.0 L Coyote is rated by Ford at 460 hp (343 kW) and 420 lb⋅ft (569 N⋅m).
The 282 cu in (4.6 L) engine underwent engineering upgrades that included an all-new head design with an improved cooling system and quench-type combustion chambers, a higher 8.0:1 compression ratio, and a new two-barrel aluminum intake manifold, while the rear differential gear ratio changed from 3.31:1 to 3.07:1.
Manifold injection is a mixture formation system for internal combustion engines with external mixture formation. It is commonly used in engines with spark ignition that use petrol as fuel, such as the Otto engine, and the Wankel engine.
American Motors supported the AMX and the Javelin muscle versions with a range of factory-approved "Group 19" dealer-installed performance accessories. These parts included, among others, dual four-barrel cross-ram intake manifolds, high-performance camshaft kits, needle-bearing roller rocker arms, and dual-point ignition. [29]
It offers the airflow of more expensive heads, at a much lower cost. It does, however, require a specific intake manifold (the L31 has four bolts per head attaching the intake manifold, as opposed to the "traditional" six bolts per head found on older Chevrolet small-blocks). Chevrolet's L31 was replaced by GM's LS-based 5.3L LM7 and 6.0L LQ4.