Hey guys, sorry if this has been posted recentley. I didn;t se it anywhere on the board. Anyways I have a problem of my 97 c/k 1500 350 idling in park or at a stop light. It drives fine but as soon as I'm stopped for more than a couple seconds the RPMs drop pretty low, and it starts to vibrate or shake, so I don't know if it's timing or what.
TIA for the input.