Re: square pockets below the internal water pipe

["cruznmd" <racuti1@xxxx>]

Hey that sounds like a good call. I never thought of putting POR 15 on
aluminum. Is it safe?

--- In dmcnews@xxxxxxxxxxxxxxx, "Dave Swingle" <swingle@xxxx> wrote:
> I don't think I'd like that idea at all. Anti-freeze when constantly 
> exposed to air gets very corrosive to aluminum - that's why your 
> coolant pipes rot thru from the outside in, in the area just outside 
> of the hose clamps, i.e. between the clamp and the outside end of the 
> rubber tubing. 
> 
> My guess is that the engines that have rotted thru in that spot had 
> cooling system leaks in that area that went unrepaired for a long 
> time. I think the silicone thing may have similar issues, eventually 
> trapping water and coolant in that area. Best thing is probably just 
> to get in there, clean it up, and paint it with POR15, high-temp 
> epoxy, or some similar high-quality, high temperature paint. 
> 
> Dave S
> 
> --- In dmcnews@xxxxxxxxxxxxxxx, "Harold McElraft" <hmcelraft@xxxx> 
> wrote:
> > John Hervey suggested filling with silicone - which I will probably 
> > do soon when I get in there for a major tune-up. The other approach 
> > would be to pour some antifreeze in there and let it "burn off". I 
> > did this by accident once and the next time I got to examine the 
> > area it was lined, under the trash, with an antifreeze goo that 
> > seemed to protect the metal quite well. > 
> > 
> > 
> > --- In dmcnews@xxxxxxxxxxxxxxx, "ablemanse" <s.ableman@xxxx> wrote:
> > > List,
> > > 
> > > I took a look at the square pockets below the internal water 
> > pipe
> > > and found mine completly full of packed trash. I cleaned it with 
> > soapy
> > > water and vacuumed it out. It is badly pitted near the bottom and 
> > on
> > > the side of the walls. What would be a good fix?