Re: 48 Burb, bagged, 5.3, 20 year wait
Marc - Used a string front to back along body flange on both sides and there was no body sag.
Wife made a pattern for the flat floor section from wrapping paper as this section widens from front to back. The paper was lined in a grid pattern on the back so that was useful for cutting to size.
Transferred the pattern to the sheet for trimming to fit then completed the lay out for the plug welding holes.....again 1/2" from the edge spaced 3" apart.
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