Forum Discussion
mich800
Oct 05, 2017Explorer
rhagfo wrote:Turtle n Peeps wrote:RinconVTR wrote:itguy08 wrote:BenK wrote:
Pictures worth a 1,000 words... :B
Perhaps not using pictures of 10+ year old engines may be worth even more words..... The 6.0 went out of the Ford trucks in 2007. The Duramax and Cummins have also changed a lot in 10 years.
Extremely poor comparison...even below a typical marketing gimmick!
Not only is that image drastically outdated but look at the stroke length differences! Of course the longer connecting rod is significantly beefier. The people who produced that image are idiots.
Think about this:
I have a 8 cylinder engine that puts out 400 HP. (50 HP/ cylinder)Then I have a 1 cylinder that puts out 400 HP. (400 HP/ cylinder)
Which rod do you think is going to have to be bigger? :B
True that Cummins puts out as much as the V8's with two less cylinders, so some parts are naturally larger. It is a far more stout engine than the other two, just compare the overall weight of the other two.
What surprised me was i saw a cutaway of the Ford 6.7 diesel at the Homestead NASCAR race last year. The rocker arms were Stamped flat steel!
I would not necessarily classify it as more stout. They are all the about the same displacement and power levels just one has to shoulder more load per cylinder than the others. It is no different than a tug of war between two 300 pound football players and four 150 pound baseball players. On the surface the football players look more stout but as a package the lighter team has just as much power and individually do not need to work nearly as hard for the same outcome.
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