[TR] TR4 road draft tube plug

[Jeff Scarbrough]

On Tue, Sep 8, 2015 at 4:48 PM, Alan Myers <amfoto1 at aol.com> wrote:
> I've replaced the road draft tube, but didn't plug it. It now has a nipple
> for a 1/2" or larger hose fitting. I don't think it's a good idea to
> completely seal up the bottom end of the engine. It needs to be able to
> breathe, same as the top end.

Aren't the two ends connected by the pushrod openings?