Garrett Ellison said

I like to measure and buy steel square tubing or channel, cut accordingly and weld in. I personally like “everything welded to everything else” construction where possible, the more you can tie in together, the stiffer it gets. It’s not nearly as critical in an a-body as in cars that weren’t designed for a V8 to start with, though, but being that your into it anyway... A flux core wire welder is a good investment, I have one of the $89 Chinacago Electric units and it works well.

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