[6pack] TR6 heat '70

[Sally or Dick Taylor]

Bob---This is the way I think the early six, with a closeable cowl vent, heat/air distribution should work:

First, you are correct in where the warm air should go, when the control knob is pulled part way, and fully out.

On the early cars, with an outside air control flap on the cowl, it is necessary for this to be in an open position to get air to circulate thru the heater core. When this flap is closed, you will only be able to recirculate cabin air with the heater fan, which won't be as effective.

The "EYEBALL" vents, when working properly (felt seals in place) will allow the air to be directed to where you want it,

If the outside flap is closed, and these eyeball vents are closed, NO air should be moving about. 

For hot water to circulate thru the heater core, the water control valve must be at least part way open. If full cable movement of this slide valve isn't possible, give the nod to being able to completely close it, rather than completely open it

Dick


-----Original Message-----
From: Bob
Sent: Saturday, January 3, 2009 2:09 PM
To: triumphs at autox.team.net, 6pack at autox.team.net
Subject: [6pack] TR6 heat '70

Hello List,
Happy and Healthy New Year to all.
It is cold and getting colder.
My question regards correct operation of the heater specifically the air
distribution control on a '70 TR6.
Control pulled one click for defrost I get warm air to windshield.
Pulled 2 clicks for heat and defrost I get warm air to windshield and bottom
heater vent
Knob not pulled out what should happen?
Outside Air flap near windshield should do what open or closed?
Dash vents always have cold outside air is this correct?
I have a 180 degree thermostat and seem to remember I had a lot more heat in
my TR250 when used as an everyday driver.
Anyone in the North using a 195 degree thermostat in winter?
Regards,
Bob






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