so update on the dynatech headers.
Apparently the headers are made for heads that are 18-1/8" from flange to flange. The dart heads i have are just over 1/2" wider, hence the clearance issues with the gear box. I talked to the dynatech rep and he was helpful. I suggested they move the 7 tube back in around 1/4" we will see what they say.
So that doesn't help me now so it looks like i may end up with a Borgenson steering joint to get the clearance I need.
here is the "special" tool i made so I could get to a couple of the bolts