Subframe connectors for a driver/cruiser, necessary to weld to floor?

Rat Bastid said

I’ve been looking closer at sub frame connectors since I’m going to need them. What about the USCT connectors was it you weren’t fond of? I don’t mind fitting them. Was it you don’t like the way they weld to the floor?

I also need to duplicate your slider brackets. That’s a fall project.

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I have heard that they dont fit well to the ribbing in the floor because every car is a little different, requiring a lot of weld to fill gaps. USCT IS Definitely not a project to be done unless the car upside down on a rotisserie. I did both of mine with 2x3 steel box tube layed on its side, and slotting the rear foot wells.