Quote:

Mancini Billet. One and only. Chrome Junk. NAPA Superstat 180. All good.



I'll be using the same here with the exception of a Mr. Gasket 180* stat.

I have the aluminum housing with the chrome pot metal water neck and a nice, super slow, weeping leak.

I think it has to do with the dissimilar metals heating and cooling at different rates which causes them to leak.

Using the aluminum billet piece along with the aluminum housing should prevent that from happening.

Iron housing should run iron neck as well.