My newest project, a 1971 satellite 4-door, is leaking fuel like a sieve when the almost-new tank is filled past halfway. Since I need to pull the tank anyway, and since I will want to add a vapor return line, I was hoping to be able to simply buy a 2-nipple sending unit for a newer B-body that would be plug-and-play. Does anyone know if I'll be lucky enough for this to work out?

I'm attaching a photo of a similar sending unit that I found on the 'net; application unknown.

Thanks!