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[troverman]

Thanks for replies. Regarding the starting / stalling problem, to clarify, It will ALWAYS start on the second try. I believe I have found the problem with the clanking sound: Pikes Peak Rover (Very helpful despite fact we live on opposite side of country) says that a common problem is the valve rocker shaft wearing, not getting enough oil, clattering...etc. Easy $60 fix. Sound does not go away when revved. From inside the car, engine always sounds smooth. I got the Classic going yesterday so I could park the two side by side and compare. The Classics' 3.9 is pressurizing and burning coolant, other than that it runs well. (Not driveable, engine is basically junk except for yard drives) When it starts and idles, it sounds good, better than even the new 4.0! Fortunantly, there is no real problem with the 4.0. By the way, the idle stepper motor, etc, is a little different on the 4.0. I did clean it, it was mildly dirty. The car seems to start faster (still stalls sometimes, though) but now the idle oscillates a lot. Sometimes it will idle at a steady 1800 RPM! This is all after cleaning the part. The PCV routing is different too. No longer have the can that unscrews from pass side valve cover, but a short little breather hose right off the throttle body and into the driver's side valve cover. No mesh inside. I cleaned this as well.