Unusual - most Perkins water cooled exhaust manifolds are cast iron.
The intakes are alum.


On Sun, 19 Oct 2003 12:06:43 -0400 (EDT), (Ron
Thornton) wrote:

My Perkins 4-108 has a cast aluminum exhaust manifold. I have it off
for inspection and pressure testing. As part of the inspection, I have
remove all paint and primer to bare metal. Other than aesthetics, is
there any reason to repaint.

Ron