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I am going to have to disagree with you about a couple of things. The newer turbos are not better than the 94-97's, in fact they are LESS efficient. They are wastegated which allows the engine to boost quicker, but since they are wastegated they also produce more exhaust backpressure thus causing them to be less efficient. The newer injectors deliver a slightly higher volume/stroke of the injectors, but the PCM is also setup to deliver more fuel. Hook up a Star Tester some time and watch the mass fuel desire. On our trucks it maxes out around 78 % and the superduties max out around 90 %.
With the same mass fuel desire, injector volumes, and gearing, a properley sized nonwastegated turbo truck will out accelerate a wastegated truck every time. Plus you will get better milage out of a nonwastegated turbo.
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My PSD is not wastegated. It is a '97, therefore, no wastegate to control. Looks like you had better do some research. This is from
www.Ford-Diesel.com.
Maybe these people are mistaken, but I would take their word over yours, seing that they own these trucks and some of these people are Ford Techs on that website.
I do not claim to be an expert about this stuff, so I will not try to make any more claims, so this won't turn into anything other than a debate. I don't want this to turn into a mudslinging match. So let's keep this debate what it is, a debate.
I am willing to learn if I am wrong, that is why I come to these websites. So don't flame me and try to make me look stupid if you think I am wrong. Just give me your opinion not smart remarks.
[This message has been edited by 88GT5.013.02 (edited 05-11-2001).]