Thanks, Neil.

The cooling system is not effected in any way. In a Vanagon, unlike a
baywindow, the cooling system and the heater are completely separate.

Mark

On Dec 27, 2010, at 12:52 PM, neil n wrote:

> There are more experienced air cooled people here than me. With that
> said and if I'm not misunderstanding your intentions....
>
> Blocking any air flow at alternator fan or elsewhere in the engine air
> cooling system is a bad idea. And, having one heat exchanger flap open
> to bring hot air to cabin, and blocking the other, may cause an
> cooling imbalance in engine cooling system. Maybe.
>
> You may find there's enough heat in cabin by leaving both heat
> exchanger flaps open.
>
> Neil.