I have used the search tool and was not able to find my problem. After my ty warms up and has been driver 10 miles or so I start to get a very rough idle that shakes the truck a little. The idle is much worse than the normal rough idle. I have had several guys with syty's say it is not normal. I tried something new today and it worked. When it started idiling rough I put the truck in park and turned off the truck and immediately crank it back up and the rough idle was gone. I don't have a clue what is wrong, any suggestions? Before you answer, I have within the past 350 miles (1 month) replaced all vaccum lines with silicone lines, new plugs gapped correctly, new plug wires, new rotor, new cap, new coil, new adjustable fuel regulator, new fuel pump, and new fuel filter and an airfoil in the TB. After all the new parts went on I had no problems, It just started happening out of the blue. At idle I have 20+ lbs of vaccum and 32-34 psi of fuel pressure. I truly dont believe I have a vacuum leak. Your thoughts?????