Forum Discussion
FishOnOne
Dec 10, 2020Nomad
ShinerBock wrote:
If you knew that, then why did you say... "I’m just saying that Cummins doesn’t appear to be anymore honest than Ford in how they rate their engine"? Anyone who knows that you loose power at altitude would know that the small loses you stated would be due to altitude, not defueling or overrating numbers.
Like I said, do the same test at 80F and see what happens. My bet is that one engine will have to defuel considerably more than the other. You will likely have the same scenario in 2017 where the 440 HP PSD was a few seconds behind the 385 CTD. However, due to to the 10-speed, the PSD would likely fair better rather than being a little behind.
We now know that the '17 truck was slower due to transmission gear selection/gearing. It was slow from the start so defueling was not the issue like you were mentioning back then.
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