To make the system work, you need either a longer radiator neck, or a
longer radiator cap to fit your stock radiator. All new radiator caps
that you find at the stores have two way release valves. Hot pressure
allows overflow to go to the tank. When cooling, the vacuum will suck
the coolant back into the radiator. Don't ad any gaskets. that may
defeat this operation.
Leak in the overflow hose/tank will not allow the coolant to suck back
into the engine, unless you make the return hose go to the bottom of
the overflow tank.
I've got a closed system in my 100 Six- http://ewilkins.com/wilko/engine.htm
- the overflow tank has the return pipe on the bottom of the tank.
Wilko
San Diego
On Jul 29, 2010, at 1:17 PM, Jeff Pelletier wrote:
> Ok... im going with the closed radiator system you guys have talked
> about in earlier post.. but im a bit confused as to how the
> water/antifreeze gets BACK into the radiator.. We put a gasket
> ontop of
> the radiator just below the cap to seal things off--correct.. ...
> then
> you have the inlet/outlet hose/pipe.. then at the bottom of the neck
> you
> have another gasket with the pressure of the spring on it... as the
> car cools how is the water going to get past the gasket at the
> bottom of
> the neck back into the radiator??
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