He makes one for -jet and a different config for -fant. 

Sent from my iPad

On Jun 14, 2014, at 7:49 AM, George Laubach <skiplaubach@COMCAST.NET> wrote:

> I have an '84 Digijet (2.2L GoWesty kit in a 1.9 case). I installed US$0.10's VSM, and have not looked back. Seems to have cleared up a lot of things we talk about...
> 
> Skip
> 
> Sent from my iPad
> 
> On Jun 14, 2014, at 3:45 AM, Karl Wolz <wolzphoto@Q.COM> wrote:
> 
>> Well, you caught me on that one!  IIRC, the GW unit is less $$ (hard as that
>> may be to believe).
>> 
>> Karl Wolz
>> 
>> 
>> 
>> 
>> _____
>> 
>> From: Alistair Bell [mailto:albell@shaw.ca]
>> Sent: Friday, June 13, 2014 10:57 PM
>> To: Karl Wolz
>> Cc: vanagon@GERRY.VANAGON.COM
>> Subject: Re: Throttle body question-Throttle switch!
>> 
>> 
>> No, seems I was right the first time. Checked the website, says it works on
>> all wbx from 85 on.
>> 
>> http://www.vanistan.com/Vanistan/other_accessories.html
>> 
>> 
>> Alistair
>> 
>> 
>> 
>> 
>> On Jun 13, 2014, at 9:04 PM, Karl Wolz <wolzphoto@q.com> wrote:
>> 
>> 
>> 
>> TCL's was an add-on to their complete TB. GW attaches to the existing unit.
>> 
>> Karl Wolz
>> Sent from my electronic umbilicus
>> 
>> 
>> 
>> On Jun 13, 2014, at 8:10 PM, Alistair Bell <albell@shaw.ca> wrote:
>> 
>> 
>> 
>> 
>> 
>> I think tencentlife had a vacuum switch out before GW did. I thought about
>> buying his but stalling as I don't plan keeping the wbx for too much longer.
>> 
>> 
>> 
>> 
>> 
>> Alistair
>> 
>> 
>> 
>> 
>> 
>> 
>> 
>> 
>> 
>> 
>> 
>> On Jun 13, 2014, at 7:00 PM, Karl Wolz <wolzphoto@Q.COM> wrote:
>> 
>> 
>> 
>> 
>> 
>> Take a gander at GW's vacuum operated switch. Mine works quite well.
>> 
>> 
>> 
>> 
>> 
>> Karl Wolz
>> 
>> 
>> Sent from my electronic umbilicus
>> 
>> 
>> 
>> 
>> 
>> On Jun 13, 2014, at 6:49 PM, Dennis Haynes <d23haynes57@HOTMAIL.COM> wrote:
>> 
>> 
>> 
>> 
>> 
>> 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.