I was thinking of drilling some holes in the frame of my tt and mounting a length of pvc pipe for my sewer hose I know I could not do this on my semi truck but what about on a travel trailer:@
When you look under these LITE TRAILERS and see how many large holes the manf drills in the frame to reduce overall weight should scare the H out of you then I reckon haha... Some of these holes I have seen are 4-inches or more in diameter.
I have drilled many small screw size tap holes to mount brackets, ground lugs, fuse blocks, battery switches, etc... over the years in both my trailers and trucks...
Who knows if you are not suppose to do this haha...
Roy Ken
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