Could be the clutch disk momentarily sticking to either the flywheel or plate
after sitting for a spell, or the first sign of the pilot bearing going. If
the pilot bearing you should also start having some signs when shifting, as
the drag on the input shaft makes the trans unhappy.

Tom

>Question.....ok so now im back from out west and to the Phish show in
>maine....and well I have a question....When I go to start the van.....I turn
>the key...and just as it starts it gives this click....but you can feel it in
>the clutch pedal and it sorta jumps the van..so its more like a clunk...any
>answers.....????