66 valiant with 360 help needed.

Well that´s what I´m trying to do and the water pour out of the head,, the wall i very thin..

When I put my magnum in the car I will build me a set of fender well headers...

Otherwise I will go for the TTI headers...

The following link addresses this very issue. Jameybro used the early a manifold on a magnum head without issue (see post #15). Are you talking about the 302 head by any chance? Please post the head casting #...

http://www.forabodiesonly.com/mopar/showthread.php?t=175310&highlight=magnum+early+manifolds