Idle Issues

[Ed Kellock]

I bought my 710N from AutohausAZ so no dealer obfuscation.

> -----Original Message-----
> From: 200q20v-bounces at audifans.com 
> [mailto:200q20v-bounces at audifans.com] On Behalf Of Tom Egbert
> Sent: Sunday, April 06, 2008 11:53 AM
> To: list audi
> Subject: RE: Idle Issues
> 
> 
> Actually the latest version of the same valve that is being 
> sold today spec'd for the TT, A4, etc. is considered to be 
> more durable and  better.  I believe the last 4 characters in 
> the p/n are 710N instead of a much  earlier
> letter as indicated by etka for our cars.   I put one in my Avant when
>  I was
> chasing a different type of problem.  
> 
>   
>    710 is fine for stock application only. If you tell the 
> dealer it is for the '91, they will charge you 10 more 
> dollars for the same part. 
>        More boost changes characteristics of recirculation. 
> With even 15 #s you will hear the valve open alot. If you 
> ease into the throttle, let off and then hit half way, the 
> car will hesitate. The diaphram will only last 12 months tops.
>      If you go to an aluminum valve you can tune with the 
> appropriate spring for the boost level. On most forums you 
> can find that people put the forge valves in backwards to 
> keep from premature opening. Sounds different though. Just 
> fun to play around with cause it is an easy change. 
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