Advice needed on manifold repair

Both are spread bore manifolds.

It’s a project type repair, be prepared to be frustrated. Still good wall art thought.

If you are bent on repairing and using it, consider brazing it. Anyone with a torch can do that. It needs to be thoroughly stripped and cleaned, then checked for the cracks. You can get kits from a moldmakers supply house. If your lucky, the cracking itself didn’t distort the machined surfaces. If not, it will need to have surfaced to the head cut.

The 71 is a better manifold and easier to port from the top.