I have one you can have.

Jim

On Wed, May 7, 2014 at 1:01 PM, Cunegonde <cunegonde.van.westfalia@gmail.com
> wrote:

> This part doesn't appear in Bentley, unless it's a non-pictured part of
> the heat exchanger itself.
>
> Inside the heater box, sandwiched between the core and the blower manifold
> openings, is a piece of sheet metal that doesn't quite cover the whole face
> of the core . It has one row of small holes along one long side, and three
> rows of holes along the other long side. It obviously blocks large debris,
> but also restricts airflow to about 50% of the core.
>
> What is it, and can I leave it out for greater heat exchange efficiency?