V6 in Extended WB Van?
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Join Date: Jul 2008
Location: Harrisonburg Virginia
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The engine would have to work much harder, so there would be no benefit. In fact, the larger V8, in reality, offers about the same mileage if you keep your foot light. You can even get better mileage with the larger V8 if you get one of those re-programmers. But as discussed in other threads, those can void the warranty.
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