October 30: LEMON manuals on a temporary server, it is slow and having issues, download the manuals you need! Later in November we will switch back to the fast server.

Description And Operation: Engine: Notes

The 3.9L and 4.2L engines have:

a V-block with six cylinders and splayed crankpins.
a distributorless ignition system.
a multiport, sequential fuel injection (SFI) system.
a variable length induction system (intake manifold runner control).
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.