Is a 12-valve Cummins direct injection?
Is a 12-valve Cummins direct injection?
Meet the 12-valve version of the 5.9L Cummins, produced from ’89-’98. A cast-iron block and head, forged-steel crankshaft and connecting rods, an inline-six design and mechanically controlled direct injection all play into the hands of a power plant built for maximum reliability and longevity.
What kind of engine does a Dodge Ram have?
2003 marked the first year of a new body style pickup for Dodge, and to go along with its new looks, a new engine could also be found under the hood, and the major difference between it and the earlier 5.9 liter Cummins engine (and its Achilles heel) was the addition of common-rail fuel injection.
Is there a third injection event in 5.9 Cummins?
In addition, the later 5.9 Cummins also featured a third, post-injection fuel event after the main spray, and the main purpose is to reduce harmful emissions. The third injection event is said to have a slight negative impact on fuel mileage, however with aftermarket tuning, the loss in mileage can be restored.
Are there any issues with the Dodge Ram?
However, each of these issues can be avoided or overcome if you know what to look for. In the 30 years since their release, Ram pickup bodies have gotten progressively larger, with more extended and crew cab trucks coming onto the market.
Is the injector body the same from 03 to 07?
The injector bodies are the same from ‘03 to ‘07, but remember the nozzles have two different spray patterns.
2003 marked the first year of a new body style pickup for Dodge, and to go along with its new looks, a new engine could also be found under the hood, and the major difference between it and the earlier 5.9 liter Cummins engine (and its Achilles heel) was the addition of common-rail fuel injection.
In addition, the later 5.9 Cummins also featured a third, post-injection fuel event after the main spray, and the main purpose is to reduce harmful emissions. The third injection event is said to have a slight negative impact on fuel mileage, however with aftermarket tuning, the loss in mileage can be restored.
The injector bodies are the same from ‘03 to ‘07, but remember the nozzles have two different spray patterns.
How many PSI does a common rail injector need?
In order to operate at pressures approaching 27,000 psi, the pieces inside common-rail injectors need to be machined within a couple microns of each other for proper tolerance.
