I have a 65 Canadian 390 so it has a oil breather tube and road draft tube. I changed the oil yesterday and noticed bright green coolant in the oil breather tube. I have included a photo of it. Not sure how it's getting up there as it seems to be above where the tube goes into the manifold. I am...

Have a 390 Fe Motor with a road draft tube (no PCV). When I bought the car, it ran great. No smoke. I took it in to a shop for oil change and to have some of the leaks fixed. Got it back after oil changed to synthetic with oil stabilizer and the valve cover gaskets replaced. Once it warmed up...