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I found my new motor leaking oil in the same place when I got home from the GA rally. Same place my old one was leaking too. I need to get, or make a head nut wrench so I can retorque the heads. Otherwise the motor is still leak free.

And you can turn your fuel back up a bit, just be careful. At least get a $30 boost gauge from a parts house and plumb it in. If you have the whistler, tune fuel to max around 10-12 psi of boost. If you have the D turbo you can go up to 15-18 psi. Just don't run it max boost up long grades.

Crank the truck and let it idle, then adjust the idle up to 800-850 rpm. That should give it the extra fuel it needs to crank easily. If not, get your injectors serviced.

A HALF INCH??? Does it smoke like a freight train at idle? Do you have a pyrometer installed? That sounds WAY high on the fuel setting, unless I'm not thinking of the right screw, and I'm pretty sure I am.

Turn your fuel up a little bit.

No less than 2600

Just don't change the headgaskets unless you need to. That won't make a difference unless one is blown. The injectors pop pressure does play a big part though.

Just make sure you have good strong batteries ( properly sized), and you can run 20-30% gasoline in your fuel mix. That will help if yours has cold weather issues.