Anyone know where to get an exhaust manifold flange for 80s broncos? I have a 351W in my 82 bronco and I'm removing the headers. I was given a pair of manifolds from an 85 351w truck. One is missing the flange... I can't build my exaust until I find one. Ford said it is discontinued/obsolite. My exhaust supplier only has universal ones and does not fit the wide spacing of the bolts...