Hello,
Coming to the forum to increase overall usefulness of my truck. Had it a long time and trying to make it a better heavy towing rig. It is a 1998 mostly stock 2500 4x4 5sp Quad recently converted to a 3500 with 1997 donor 3.54 axle. Truck has 137k miles. 4 inch MBRP, stock turbo, 90HP...