I have used water on the headers right at the exhaust ports and on the cylinders that is not running the headers are not hot enough to steam of the water from the spray bottle. I also find it strange that the plugs are not wet?
Yeah the engine only want to idle high and it runs bad, where and how should i look for the vacum leak?

the distributor is a mopar electronic with a Magnetic Pickup, Mechanical, Vacuum Advance (brown cap)

intake is edlbrook preformer rpm