Hi Ivor, I was lead to believe that the mild steel manifold was also supplied by Morgan
It might have been but that does not necessarily make it right.
All I would say is open up the discussion and don't assume that because it came from the factory that it is the best option.
I don't know the Rover engine but I don't like that manifold with that exhaust port shape.
Is the new gasket a good match to the exhaust ports.
Back in 1990 maybe the round tube manifold was all they could get and had gaskets made to suit.
If it was my car, I would research the manifold options before I just got a gasket to fit.
