I have an 07 f250 6.0 and what I have done to it so far. This was done back in late 2011 - ARP Studs, Coolant filter kit, 6.4 banjo bolts, 6.4 fuel washers, 6.0 fuel pressure spring upgrade, and custom tunes. About a few months after all the upgrades the truck would leak coolant out of the degas...