4 & 5 Ford Rebuild Cheat Sheet: Selecting Parts - DIY Ford In 2004, Ford fitted the 5 SOHC with a new three-valve cylinder head. A year later, this head was fitted to the allnew Mustang GT’s 4 SOHC engine, yielding nearly 320 hp. Three-valve technology has brought a fresh sound and power to the 4 SOHC engine. 4 & 5 Ford Rebuild Cheat Sheet: Before You Begin Apr 15, 2016The 4.6- and 5.4-liter engines are quite rugged from the factory. They have smaller than traditional crankshafts with dished hypereutectic pistons. If you’re building a mildly modified street engine, your Modular engine happily performs with hypereutectic pistons, powdered-metal connecting rods, and standard nodular iron crankshaft. Related searches for ford 5 4 liter engine diagram ford 5.4 engine diagram4 liter ford engines v6ford 5 liter engine problems2002 ford 5.4 engine diagramford 5.4 engine parts diagramford 4.0 liter engine problemsford 5.4 triton engine diagramford 5.4 engine schematic