340 Duster oil looks milky

MOPARBURNEM said

That was after only running a few minutes

View attachment 1715472447

Click to expand...

Being that white that fast says you have a growing problem. I'd start with:

1. Running a compression test on all cylinder
2. Pulling plugs to examine for water in a cylinder
3. Pulling the heads to inspect for leakage
4. Plan from there based on what was found

Sorry for the troubles.