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From what I've seen no. This is only from looking at it with the intake manifold on top still attached. I can take it off for a better look but I'm pretty sure it's not leaking from the top
It's a pain, but once you have a clean surface in there, you can spot a leak source right away. I strongly suspect the fuel line clamp near the turbo pedestal has worn through the fuel line. bigb56 and Bonanza35 mentioned the likely source, and clem1226 mentioned a good test - once the valley is dry.
refer to one of my post , I only have a few. The passenger side fuel line is surely it. Mine was a pin hole at first, once I added some power to the motor the pin hole became a crack. Most surely is it. With the truck off you can put little pressure on the line by moving it with your hands and hear the air releasing from the line . Thats how I know it was the fuel line, the bracket rubbed a hole right through it