Truck is a late 99, new ZD11's within the past couple years, all ohm out good still, glow plug relay also tests good. I installed new Full Force 160/30's roughly 1000 miles ago. Once the truck is started it runs fine, although it smokes a bit until it is fully warmed up. The problem is the long crank to start. I am wondering if I have a leak in the high pressure oil system somewhere, possibly injector o-ring since they were out recently? The oil is right up near the top in the HPOP reservoir after the truck has been sitting. I took a video of the ICP PSI slowly building pressure on me Edge monitor to show whats its doing, ICP is top left corner. If anyone has any ideas I would greatly appreciate some help, at this rate my starter wont last long. https://youtu.be/tpg84v9yaxE