[DeTomaso] Threaded plug on bottom of tank size?

[Mad Dog Antenucci]

As Kelly finishes fab on the intake for my 302B heads, Mike Trusty builds the EFI and Dick Drenske looks at plumbing for fuel swirl tank and added fuel pumps a question came up that one of you slackers might actually know and it is;
   
  What is the size of the plug on the bottom of the fuel tank? 
   
  MD
  ps  Tom Dupart is dead to me


Mad Dawg Antenucci 
Team Pantera Racing 
  The 1st & still the only vintage race team in open road racing 
www.teampanteraracing.com