Re: Throttle Body & Intake Manifold Polishing

[quk@isham-research.demon.co.uk (Phil Payne)]

In message <1f18521a.24fd6a24@aol.com> OorQue@aol.com writes:

> My reference was specifically to the intake ports in the head and not the
> intake manifold.  Based upon the limited flow testing I did, the stock ports
> were more restrictive than the MC intake manifold.  In other words, when I
> tested the flow without the manifold attached (using just a molded clay dam
> around the port), the flow didn't increase much.  After the ports were
> modified, however, adding the stock intake manifold did reduce flow a bit at
> full lift.  Although I didn't spend much time testing the manifold itself,
> the brief testing I did do suggested that the restriction isn't in the
> runners but the throttle body and the Ur-Q throttle body I tried (which
> doesn't have the little aluminum wedge on the throttle plate that's on the MC
> throttle body) flowed somewhat better.

Another little nugget.

I hope to take over an MC soon, and I want to bore it out to full
ur-quattro performance ...

Wedges in throttle bodies, eh?

--
 Phil Payne
 UK Audi quattro Owners Club
 Phone: 0385 302803   Fax: 0870 0883933