The early to mid ’90s saw a slight shift in the automobile market. The trucking industry would undergo a major make-over and the station wagon would be replaced as the all-American full-sized passenger vehicle. The Power Stroke engine was a design idea offered to Ford by the engine designer Navistar in 1994 to meet new demands. Navistar designed and built it with the vision to give Ford a competitive edge in the heavy-duty and light-duty truck market as well as in the growing full-sized SUV division.
The 7.3L Power Stroke was first in ine for public scrutiny. It would do well as the designers would build against knocking flaws and ignition problems cited in other trucks. It weighed in at 920 pounds, offered 250 horsepower and 505 lb-ft. of torque. Because of a uniquely designed fuel injection system, the Power Stroke introduced an engine with less of a knock and a more efficient ignition process. It also featured an aerating system that provides more horsepower and lower emission gas temperature. Because of these features, it grew in popularity and boasted the support of over two million consumers worldwide by 2003.
But then it had to be replaced.
The Tech Descendants
The year 2003 saw new emissions standards that would put the well-designed 7.3L into the restricted pile. The new standards, if followed without ingenuity, would yield expensive manufacturing and reductions in horsepower. A cycle of modifications would ensue in order to maintain its efficiencies and towing ability. The 6.0L Power Stroke was birthed.
Although it was smaller in diameter than its predecessor, its enhanced technological components rendered it at 1,100 pounds. It introduced the (engine gas recirculation) EGR system to help meet the new emissions standards. The 6.0L would improve on the 7.3L horsepower and torque output, giving out 325 hp and 570 lb-ft. of torque. In the days to follow, the Power Stroke would see its line through more changes in emissions standards.
The current market product is the 6.7L Power Stroke. While it does its job as medium-duty engine, it takes on the character of the American muscle car as it has a turbo system mounted on top of the engine. It is a continuation of Ford’s commitment to excellence in green technology and power. It has a horsepower output of 400 and releases 800 lb-ft of torque. It is currently housed by the Ford Excursion, Ford Econoline vans and various commercial lines with appropriate specs for each.
The Power-Stroke Effect
Perhaps the most important aspect of the Power Stroke engine is that it introduced electronically-controlled engines into the market. Other brands would follow in suit, creating engines that were more sophisticated and offered more horsepower. The Power-Stroke effect has undergirded a slow revolution in trucking power and trucking environmental compatibility.