ok, i will get a vac. gauge asap. what might i consider looking for with a vacuum leak? i did just pull the heads to have them resurfaced and checked for cracks, and put all new head, intake, exhaust, dist. timing cover, throttle body gaskets on. i also replace some worn out vacuum hoses that went to cruise control and other places on the back side. however, i did get the truck real hot a couple o