Ford 2003 Mustang Workshop Manual page 941

SECTION 303-01A: Engine — 3.8L
DESCRIPTION AND OPERATION
Engine
The 3.8L engine has:
a V-block with six cylinders and splayed crankpins.
a distributorless ignition system.
a multiport, sequential fuel injection (SFI) system.
overhead valves.
hydraulic valve tappets for automatic lash adjustment.
connecting rod parting faces that are unique with an interference fit.
an engine dynamic balance shaft.
2003 Mustang Workshop Manual