Intake manifold for an internal combustion engine

摘要

There is disclosed herein an intake manifold for a port-injected internal combustion engine, comprising: a manifold body 10 having an interior plenum 12, and a runner 14 extending outward from the manifold body 10, wherein the runner 14 has a distal end 16 and a passage 18 therethrough in communication with the plenum 12. The distal end 16 of the runner 14 has a socket 20 therein into which an EFI 50 may be operatively mounted, and a first keying feature 22 formed therein for aligning the EFI in a first predetermined orientation when the EFI is engaged with the socket 20 and keying feature 22. The manifold may further include a second keying feature 42 formed in the runner end 16 for aligning a coil-on-plug spark plug ignition coil 80 in a second predetermined orientation when the coil 80 is engaged with the second keying feature 42. The manifold may also include a means 30 for electrically connecting a signal source to the injector 50 and/or coil 80, arranged such that the EFI/coil may each be mechanically and electrically engaged with the manifold and signal source in essentially a single step.