I disagree. My tencent vsm is astonishingly responsive and even feels like it adds power, as it operates full throttle enrichment based on engine vaccuum and how hard the engines working rather then being at actual full throttle. 

It rocks. 

-craig

> On Jun 13, 2014, at 11:15 PM, Dennis Haynes <d23haynes57@HOTMAIL.COM> wrote:
> 
> The vacuum switches do not seem to operate for full throttle enrichment.
> 
> Dennis
> 
> 
> -----Original Message-----
> From: Vanagon Mailing List [mailto:vanagon@gerry.vanagon.com] On Behalf Of
> Alistair Bell
> Sent: Friday, June 13, 2014 11:10 PM
> To: vanagon@GERRY.VANAGON.COM
> Subject: Re: Throttle body question-Throttle switch!
> 
> 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.