Quote:
Originally Posted by Jeff Hail
Depending on year and generation your 330 has a bonded outer quarter panel to wheelhouse. The structural adhesive is between the hem flange and wheelhouse. Its not going to weld in this lifetime because you wont get penetration from one piece of sheet metal through to the other.
You will not re-bond it because that would require peeling the panel apart, separating it far enough to get a mixer nozzle in between the two while you squirt adhesive in the middle of the sandwich.
The adhesive used is very strong but beating it out with the big hammer can break the bond pretty easily which appears to have happened.
The adhesive the factory used was Beta-Mate. You can purchase it through the dealer for an arm and youngest child. Other structural panel adhesive can be used from Lord Fusor or 3m.
What are your options? A series of tacks or stitch welds at the hem flange every couple of inches to the wheelhouse would be the easiest way. It will pop and sputter but can be done with minimal work and good welding skills. It wont require a bead or continuous weld, just tacks or stitches linking the two panels. Area has to be clean with any coatings removed. On a race car panel to panel integrity is all you need. Grind and dress the welds and put some primer over it, maybe some urethane under seal and go race it.
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Unless they used both, the portion I cut off was spot welded.