6.4 Power Stroke Diesel Engine Problems The 6.4 Power Stroke only had a few short years in Ford trucks. It's also the last Ford diesel from International as Ford designed and built the 6.7 Powerstroke in house. Ford 6.4 diesel engines make a solid 350hp and 650tq from the factory. Respectable numbers for the era the 6.4 Powerstroke was released. Some also consider the 6.4L a … [Read more...] about The 6 Most Common Ford 6.4 Power Stroke Engine Problems