1970 Duster AlterKtion, 4 Link, LS/T56/Turbo and Minitub

It should be 43.5 psi. And I don’t want to tell you the pumps you have won’t work. I’m just not willing to say they will without knowing for sure. Need more data. I’m looking up the walbro chart on the 392s. They’re 255lph each at 40psi.