If you need a new EGR valve, check out some of the links below! The VGT increases power and greatly lowers spool times. These new VGT turbochargers were very susceptible to soot build up. This excessive soot can cause the VGT vanes to stick open. When that occurs, throttle response suffers and turbo spooling times increase. The turbocharger can sometimes be cleaned by running the truck hard, otherwise, the turbocharger needs to be removed and cleaned thoroughly.
Early 6. The collection of oil in the turbocharger can result in the oil cooking. This has been the root cause of many all-out turbocharger failures in the 6. Want recommendations on an aftermarket turbocharger upgrade for your 6. Stiction can cause a number of problems including hard starts, and the truck running rough when cold. The HEUI injectors are very sensitive to poor fuel and oil quality. The high pressure oil pump pressurizes the engine oil.
Then, the injectors use this oil to compress fuel. These high pressure oil pumps are known for complete failures and leaking seals on the 6. You may need to replace it too. The factory Degas bottle in 6. They crack at the seams and it can result in loss of coolant! Invest in a solid aluminum Degas bottle like the Mishimoto Degas Bottle pictured below.
Make sure you get a new factory cap too! What can you do to improve longevity on your 6. For starters, consider not upgrading to performance parts unless it is a product that provides a solution to one of the above problems. Replace problem parts early, before you start having issues! Be religious when it comes to your trucks maintenance. Change the oil every 5, miles. Use high quality oil and consider using additives. Make sure you buy diesel from quality gas stations that have quality fuel.
You can often identify the start of a problem early. For more information on the Ford SuperDuty Diesel trucks with the 6. Want to learn more about the latest insights in the diesel industry? Signup for our newsletter and stay up to date on the top trending topics! Founder of Diesel Resource and a complete diesel head. Has a little bit of problem buying too many trucks. Learn more about him by checking out his truck.
Help Us Get to 1,! Navistar partnered with Ford one more time to build the 6. Previous Powerstroke diesel parts included the HEUI system, but this engine introduced a common rail system with piezoelectric injectors.
Twin sequential turbochargers provided the boost for the 6. This engine produced horsepower and pound-feet of torque. Although meeting the stringent diesel emissions requirements of the time, the 6. One of the main complaints was its relatively poor fuel efficiency for a diesel engine. Nevertheless, it was undeniably quiet and had more power than the previous engine. However, like the 6. In , Ford decided to make its own Powerstroke engine without Navistar.
This engine boasted a fresh design with DualBoost variable geometry turbo and a water-to-air intercooler.
The 6. Like the previous engine, the 6. Horsepower for this engine was initially with pound-feet of torque. Only a year later, Ford managed to boost it to horsepower with a new turbo. Ford continued bumping up the power of the new 6. Thus far, the 6. However, many diesel enthusiasts still venerate the legendary 7. At lower rpms, the housing is more restrictive i. Because both the 7. Called the Adrenaline, the 7. The high-pressure oil pump is also gear driven on the 6.
Unfortunately, this pump is nowhere near as reliable as the units used on the 7. Being that oil is used to actuate the fuel injection event on a HEUI injector, the 7. This valve is what allows high-pressure oil to enter the injector as high as 3, psi in factory form and kickstart the chain of events that culminates in 21, psi worth of injection pressure leaving the injector nozzle.
The poppet valve is one of the biggest wear items on 7. Tighter tolerances, and a more technologically advanced injection system, allow the 6. In terms of all-out horsepower, the 7. Engines produced between and are commonly equipped with powdered metal connecting rods, which are known to bend, crack or break shown above due to increased cylinder pressure or fatigue at the to rwhp level. Thanks to the 6.
Of all the well-documented 6. Having said that, we also believe that most of the 6. For instance, running the truck hard on occasion actually helps keep the turbo freed up and the EGR system from plugging.
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