Bench to bucket conversion, need help please

PoisonDart74 said

Look they sky ain't falling here, In that situation what if the welded area tears out because you welded 1/8 plate to 20ga?, What if your bolts sheer off? What if your tires blow out, and your car flips over. There is more than one way to skin a cat. Agree to disagree.

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I doubt the plates would tear. The important part is to spread out the load. I have washers on mine as of right now. The bench seat has a small piece of stamped metal that's spot welded in a few places and 4 bolts for 3 people.

In a frontal collision, the seat mounting would have little to know impact on an accident. You would be coupled to the seat belt. I'd be far more worried about wearing the shoulder harness (and having one in a pre-70 car).