[A4] Need for Premium Gas in 1.8T quattro?

[Grant Lenahan]

This is a guess, but an educated one. I would guess that most turbo 
cars always knock intermittently, and are optimized by their knock 
sensing circuitry.

They operate at all engine speeds.

Grant
On Sep 23, 2006, at 12:20 AM, Nick Lawrence wrote:

>
>
> ------- Forwarded message -------
> From: "Nick Lawrence" <nick at beol.net>
> To: q
> Cc:
> Subject: Re: [A4] Need for Premium Gas in 1.8T quattro?
> Date: Fri, 22 Sep 2006 21:18:10 -0700
>
> I often have asked this question... how can I tell or does any one 
> know if
> the knock sensor has detected and backed off timing?
>
> Some say knock sensors only are in use above 3k rpm. My two automatics,
> (90 and 91 100's) rarely go above 3k rpm and use 87octane always.  
> With me
> driving and running premium or using premium on the hiway shows no mpg
> gain.
>
> I use premium in my '90 200 tqa but would still like to know if it ever
> knocks. I have never got a code but I understand it can knock and make 
> a
> code.
>
> Comments?
> Nick
>
>
>
> -- 
> Using Opera's revolutionary e-mail client: http://www.opera.com/mail/
> _______________________________________________
> quattro mailing list
> quattro at audifans.com
> http://www.audifans.com/mailman/listinfo/quattro
> ---
> Watch this space for ads :)