70" 340 vs 72" 340 specs please

do you know the model number on the thermoquad for the 72 340 demon please am rebuilding a numbers matching car and trying to get it all correct


According to a thread on Moparts, the Auto # is 6139S and the manual is 6138S. I'll try and verify by another source if possible and post here.

Ok, i found this also..........http://promaxcarbs.bizland.com/thermoquad.htm