...I hope it lasts forever...
Keep an eye out for frame rust.
Guy here at work has one just like it with over 300K. Motor doesn't sound so great anymore.
He drives past a house that's had one sitting in the driveway for a couple years. He decided to stop and see if they'd want to part with it. Truck looks and runs great. Only has about 110K on it, but the frame is rusted nearly in half.
He bought it cheap and plans to put the lower mileage motor in his, that still has minimal rust on the frame.