David, that drain point isn’t as bad as the picture shows. I believe it’s the
lowest and best point to drain from. It’s been a couple years since I changed
mine but it wasn’t too bad as I recall but I have pretty good access in the
37+. If you use any other place you may not get enough coolant o
I was planning to change the antifreeze/coolant in my Universal M4-30 and not
sure the best place to drain the existing coolant. I looked at the diagram in
the manual, and there is an engine block drain plug, but it is hard to tell
what the photo of the drain plug is pointing at. Of course tha
