I guess I'm just blind. Being uncovered on the AFM side would mean very little vacuum at idle either way. I doubt you'll have any problems.

Stuart

-----Original Message-----
From: Vanagon Mailing List [mailto:vanagon@gerry.vanagon.com] On Behalf Of Angus Gordon
Sent: Wednesday, June 11, 2014 11:50 AM
To: vanagon@GERRY.VANAGON.COM
Subject: Re: Throttle body question

Here's a poor shot of my spare TB (2.1) which has about 90K miles and is relatively tight. The orifice is uncovered by the plate on this one (bottom).

https://picasaweb.google.com/lh/photo/SOZBHVEbVaS8cDgzVzC8JNMTjNZETYmyPJy0liipFm0?feat=directlink

I can check some more if you'd like.

Angus

On Wed, Jun 11, 2014 at 9:04 AM, Alistair Bell <albell@shaw.ca> wrote:

> The little vacuum port on the throttle body - I believe the orifice is 
> covered by the throttle plate when throttle closed - am I right?
>
> I can't recall for sure. I'm picking up on a project where I rebushed 
> (delrin), turned the throat out a few thous, and made a new plate.
>
> The TB currently on my van has become so worn that it is practically 
> impossible to set the TB switch and have it work consistently.
>
> Thanks
>
> Alistair
>