Re: Air ram on a 87 4kcs Quattro

[Huw Powell <audi@mediaone.net>]

> > If I'm thinking of the same thing you're talking about, I believe that's
> > called the air mass sensor and I think that's how the FI system knows how
> > much fuel to spray into the cylinder so, no, I wouldn't touch it.
> > Rick
> 
> No no, thats just a spring loaded flap that diverts air from cold to hot
> (takes it from exhaust heat or fresh).  Once the engine warms up it
> transfers to fresh air.  I Live in CT where the winters are cold and I
> havent had any ill effects since I took mine out. If you're in Ca, I
> Definately wouldnt worry about it.

The interesting thing about that flap is, I tested a few before putting
all my bits together, and they don't really seem to open until about 100
degrees F.  Don't know why this is, i would have thought once the engine
was warm you would want the coldest (densest) air possible.  Maybe not.

-- 
Huw Powell

http://www.humanspeakers.com/audi/

82 Audi Coupe; 84 4kq; 85 Coupe GT