I have Doug's also in my '65 Barracuda with a 360. My car has the same mods as everyone else above, and seem to all be necessary. Wish I known all that before I went in. Borgeson power steering pump, Flaming River steering column adapter, clocked starter, shimmed the driver side engine mount, and American Powertrain hydro clutch setup. Lots of mods to make the headers fit, but the car drives super nice.
Unlike others I had to weld up some of the tubes on the driver's side headers to keep them from leaking. What a pain. Should have kept the 273.
