There are a couple of points I will cover off:
1. I changed out the rad support, inner fender aprons, firewall
to "Birchin Products" Everything is flat and smooth.
The S & P bracketry in problematic for me and they have not
addressed the problem like Zoops or March with the narrow frame
set up. Problem is the price. I have lots of room up but not
laterally. I have another source that offers
straight upright brackets for alt and air. You have to change to
to to the other air comp. (stock will not work) Complete set up with air comp, alt. power steering for $1400. I have the
Eng. mount adapters from Advanced that change to Small block
type (same as you). I seem to have lots of room up front. I
cut out one half of the original cross member. (now in front of
Mustang II) The 98 T.A. manifolds are quite narrow(I do not think tight fit headers are narrower. The stock manifolds though
have 02 sensor bung and manifold flange sticking out. I cut the
outside of the flange about 3/4 of inch. and will retap. I
am trying to use the original header pipe from the T.A.
My motor is sitting with about 2 inches to spare in front of
firewall. I have the tubular trans mount not in yet, still have
the stock cross member in. (Will have to remove it)
The Mustang II power rack steering box and knuckle, shaft
assembly looks like it will just slide by. (three knuckles to
steering column) I have pictures of this already being done in
48 Chev P.U. The best thing would be to send you pic's directly.
Cheers