Quote:
Originally Posted by Ramtop
How do you keep the cap on so it doesn’t fall off going down the road?
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I put the cap on the tube, then drilled two 1/8" holes, one on each side through the cap and the tube, then bent a 8" piece of wire from a coat hanger into a "C" shape with a tab on each end. I drilled the holes so one side is about an inch higher, so I can tell the top of the cap. All I have to do is look at the highest hole and that goes on the left side of the tube. Just open the coat hanger a bit, slip a tab in each hole, the "spring action of the coat hanger" will hold it in place. Haven't lost a cap in 10 years... Actually, I did the same thing on my square bumper rubber caps and haven't lost one of those in over 40 years.
You can see the holes in this closeup of the tube. With the cap on the tube when you drill the holes, they are "guaranteed to line up properly"...
ADDED: Make sure you keep the holes "above the center of the tube" so the wire tabs won't interfere with the gutter and cause it to bind as you pull it out or push it into the tube.