[Tigers] Keeping cockpit cool

[Robin Young]

Allen,

Sometimes the butterfly valve on the heater control gets bent or for some
reason does not seal well. After a while the heater core will get hot even
with the water valve closed and it will "draft" heat into the cabin. 

I removed my heater box, cleaned and painted it. Then waxed the butterfly
valve well and applied silicone to the housing where it closes. When the
butterfly was closed to the silicon, a tight seal gasket was formed. When
the silicone was set it trimmed up easily and really holds back the draft
through the heater box upon reinstallation. 

I hope this helps. Congratulations on finding a car. RObin

-----Original Message-----
From: tigers-bounces at autox.team.net [mailto:tigers-bounces at autox.team.net]
On Behalf Of Allan Ballard
Sent: Tuesday, August 03, 2010 2:29 PM
To: tigers at autox.team.net List Tiger
Subject: [Tigers] Keeping cockpit cool

The cockpit of my Tiger is quite warm.

It was very hot as "found" but a new shifter boot and a patch to a small
hole
in
the floor helped tremendously.

Also I've filled two firewall holes with grommets, another big help.

But still it's warmer than my Alpine, a lot warmer...

Some of the heat must penetrate old grommets that have wires running through
them so that the grommets are not solid.

That will have to stay "as is" for a while--although spray-foam insulation
might help the areas where those grommets are split to
accomodate the item passing through.

Any ideas where is the heat coming from... and how to stop it?

Maybe it's coming through the floor!

The heat might be a big plus in the cold months, but in a Georgia August....

Allan Ballard
Atlanta, GA
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