Was the High pressure oil leak fix the STC fitting? Could also be from a bad FICM, poor oil maintenance, wrong filters, look at my sig.Besides the long start, the only thing I would be concerned with is the coolant fluid failing and clogging the egr and oil coolers.Do a thorough coolant...

Here are some links for the gray and white bottles at the cheapest that I have found so far. My local stores have recently raised their prices on this juice so that got me looking for a better price.White$13.04 1080 Power Service Diesel Fuel Supplement + Cetane Boost 80oz., Individual Bottle...

http://www.motorcraftservice.com/pubs/content/~WO6F23/~MUS~LEN/41/06frdwa5e.pdfHere is another link. http://owner.ford.com/servlet/ContentServer?pagename=Owner/Page/WarrantyInfoPage

Krafty, what are you interested in doing to the truck? What work has already been performed? And what mods and condition is your truck in?

Many including my self do not listen to bills advice.Look up srmastertech on youtube. He is the man to go to on doing repairs to the 6.0L.

For heads, best fix is ARP's with OEM FORD MOTORCRAFT head gaskets.The largest factor to the oil cooler and egr cooler(that lead to engine failures) failures is the ford coolant. One of the BEST things to do is to do a very thorough flush and use EC-1 or ELC rated concentrated coolant with...

Low FICM voltage Is a strong indication of a bad FICM and cause for engine running issues, especially at cold start up. Low FICM voltage can also damage injectors. Tests should be made, engine off key on, engine start, and engine on key on.YouTube - ‪Ford 6.0 Powerstroke Diesel FICM Removal...

Installing the filter would restrict the fluid flow. Not sure how much but it will.... any ideas? I want to do this but I dont know how much this will effect fluid flow.