"Fweem" -- it's called "fweem."

http://answers.yahoo.com/question/index?qid=20081211165243AAR4VGB
http://www.thesamba.com/vw/archives/dic/f.php

--
Mike "Rocket J Squirrel" Elliott
84 Westfalia: Mellow Yellow ("The Electrical Banana")
74 Utility Trailer. Ladybug Trailer, Inc., San Juan Capistrano
Bend, OR
KG6RCR

On 3/13/2009 3:01 PM Mark A Kippert wrote:

> Something I've always wondered about...what creates that signature VW
> "chirp" coming from the engine?
>
> It's a sound I've loved hearing ever since I was a kid (I'm 52 now). I
> figured it was because they were air cooled but I hear it coming from
> my WBX (which pleases me to no end). Even with aftermarket exhaust you
> can still hear the telltale chirp. It's seems obvious that it's a
> flat-4 thing, although I'm guessing you won't hear it from a Subaru.
>
> It's Friday and I was just wondering!
>
> Thanks!
> Mark K
> 1986 GL/2WD/4SPD
>