I'm sure some of you geezers know this trick but I had to share it for those virgins. Found this pic in my archieves showing the usage of a retired water bottle. Just chop off the bottom, dry it out thoroughly and stick the neck into the valve cover grommet. I use this on both Red and Shag. The nice thing you don't have to clean the funnel when you get done. Just throw the pup away.
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