[Tigers] expansion bottle

[Smit, Theo]

Some people have done it - it's on my list of things to do.
You set it up just like any modern car... The overflow tube runs into a
bottle so that it ends about 1/2" off the bottom of the bottle. Fill the
bottle with a couple of inches of water or coolant so that the bottom of
the tube is covered. When you drive, air or coolant vapor is expelled
through the hose and bubbles out through the coolant in the overflow
bottle. When the system cools, any shrinkage in the amount of coolant in
the sealed part of the system is made up for by the fluid you put into
the bottle (or by whatever liquid the cooling system expelled in the
first place). No need to have the hose sealed into the bottle.

Theo

> -----Original Message-----
> From: tigers-bounces at autox.team.net
> [mailto:tigers-bounces at autox.team.net] On Behalf Of Owain Lloyd
> Sent: November 3, 2009 3:54 PM
> To: tigers at autox.team.net
> Subject: [Tigers] expansion bottle
>
> has anyone tried putting a plastic bottle with the air
> squeezed out on the end of the overflow tube from the header tank?
>
> if the hose is sealed into the bottle will it suck water back
> into the header tank when it cools down (or you change
> altitude), or is it not sealed properly at the neck of the
> header tank?
>
> i'd be interested in hearing about any sealed cooling system
> modifications people are using.
>
> thanks.
>
> - owain.
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