New to me 2006-6.0

[Jeremy]

If your in a state that does not do diesel emissions testing then delete baby delete. However if you are then you may want to look at an aftermarket EGR cooler. Digital gauges are a must, You have to watch the variance between the EOT and ECT. If they start to get more than 15F deg apart you have a oil cooler taking a dump, once it starts to go then the EGR cooler goes.

Try not to get to aggressive of the programmer(which varies a lot by who its from) as they can pop the head gaskets. If they end up going out you then studs are a must have when you replace them, not a required upgrade, but a good upgrade.

Keep good fuel and fuel filters in it, it will help to keep the injectors alive. They are very temperamental, and the cleaner the fuel stays the better your chances.

I noticed in your oasis report that the STC fitting has not been replaced on it yet. If you can get the dealer to replace it with the updated one, do it because IMHO 8-10 of them will fail. If it does fail you'll be walking.