Quote:
Originally Posted by ngrimm
So the pan bows down about 3 inches as it passes under the front diff and bows back up about the same distance once behind the diff. Should I have kept it at the same level after the diff?
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As the belly pan is angling down to clear the differential, you could have kept the air dam at a length that clears the diff - as it gives the same frontal area.
If only the diff is sticking out underneath, you could look around for some streamlined shape / bulge that could cover it, then make a hole in the belly pan, and cover the hole and the diff with the streamlined shape.
That way, you'd be able to raise the belly pan back to horizontal, and only increase the frontal area right where the diff is, and not over the entire width of the truck.