[Tigers] Coolant queston

[Gary Winblad]

Mark,
IT is worth adding.  Cost and trouble are minimal. You can buy a kit at the
auto parts store (plastic tank, dual seal cap, tygon hose) for cheap.
Hard to say exactly how much cooling capacity it really adds..  it DOES
keep the radiator full to the top, the extra quart doesn't matter.
I put the tank in the wheel well behind the headlight, out of sight, out of
the way.
A very important reason to add is that it stops the leak of antifreeze,
which is toxic to small animals.  When we were in Big Sky for SUNI, we
stopped
into a small museum.  I will never forget the huge stuffed Condor on
display.  The placard said he died from driniking anitfreeze from an
overheated car... so sad, he was beautiful rare bird.  Please install the
system..
Gary Winblad

On Tue, Sep 8, 2026 at 7:56 AM Mark L via Tigers <tigers at autox.team.net>
wrote:

> I know some have added an overflow to the expansion tank. This seemingly
> allow the expansion tank to be filled to the top rather than only 1/2
> full.  Is the addition of an overflow worth installing?  It appears this
> would add an additional  1 quart to the system.   How much difference would
> this make on cooling?
> Thanks,
>  Mark L
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