The carb is off of my 318. That is a 77 400 bored .030 over with comp cams xe258h cam/gears/springs/lifter kit. .030 whacked off the heads and steel shim gaskets. I think the manifolds were off of a 426 wedge. I had them on my 440 when it was in there, tried to go with shorties but couldnt fit.
