Thanks for the reply marlin.
I've pulled and plugged what I believe to be every vacuum line in the engine bay, for no lead on the problem
![Sad :(](https://board.marlincrawler.com/Smileys/marlin/sad.gif)
It's going to be another hot one tomorrow, but im going to try to make it over to where I'm storing my truck and tinker with it some more.
Ill let you know how it goes.