I have a 1997 E-350, V10. It had 57k on it when I bought it in June. Just last week I had the oil changed at 62K. 5-30 synthetic. Don't know brand, I trust my mechanic. It did not use a drop of oil in that 5K.
It is wise of you to carry some oil for a few thousand miles, at least until the first oil change. It being new, it may still have some seals, gaskets, etc. that need to seal and may leak a little.
1997 Eagle 222.
2006 Mazda MX-5. Soon to be a toad.
2016 Nissan Quest. For hauling the grandkids.
Main purpose of Jayco is for camping at racetracks.
I am a volunteer corner worker for Sports Car Club of America.