I had a similar problem with my 1966 SP311, water was slowly disappearing but no
sign of where. It ended up being the steel plug on the underside of the intake
manifold which had rusted and created a small hole, the water would drip from
there down onto the lowere section of the hot exhaust manifold and instantly
evaporate.
Alan.
R Haug wrote:
> Daniel Neuman wrote:
>
> > Hello All,
> > So I have a problem maybe with my car. It seems that I fill the
> > rad and then a couple of months later its definately lower. The catch tank
> > is empty and I have to put like 3/4 gal in the rad. I do not see any
> > visiable water leaks-new hoses and water pump. I don't think that I see
> > any white smoke coming out my tail pipe...What could be causing this
> > water to go missing?? Do I have a baad headgassket?? How does one tell
> > if the headgasket is bad?? Is there a way to tell without pulling the head?
> > Even if I did pull the head what are the telltale signs that the gasket
> > is bad??
> > Daniel 69 2000
> > SF CA
>
> Daniel,
> You may have a bad radiator cap.
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