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fiberglass holes
Mark where you want the center of the hole and use a long drill bit (12") in your hole saw. This allows you to drill straight on the curved surface. If you drill the 1/4" hole first then you can use a level (and the long drill bit) to see if the hole is in line with the place on the frame that you want to mount too.
I air my tires up and measure from the floor to the location on the frame that I'm going to use. Then I use that measurement to lay out the hole on the fiberglass. Use a common reference point (a wall or chair) to get the side to side measurement.
Dwight
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''Life's tough.....it's even tougher if you're stupid.'' ~ John Wayne
"Happiness Is A Belt-Fed Weapon"
life's goal should be; "to be smarter than inanimate objects"
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