7.3 Liter Powerstroke Engine Diagram
Home » Catalog » Ford » 1999 - 2003 7.3L Ford Power Stroke US Diesel Parts is home to a great variety of 7.3L Power Stroke performance parts and stock parts for 1998-2003 models. There were a few notable changes made to the 7.3L Power Stroke in 1999. An intercooler was added to cool the charged air from the turbocharger. The cooler, denser air helps increase horsepower and reduce EGTs. The turbine housing was changed to a .84 A/R and a wastegate was also added. The single shot HEUI injectors were changed to split shot design, and the high-pressure oil pump was advanced to 17° to help increase the necessary fuel p...