[urq] fuel injector inserts

Brandon Rogers brogers at terrix.com
Fri Jan 30 17:16:09 EST 2004

I had a KH head that had the brass fitting, too.  What is the purpose of air
shrouding and what are the effects?  Would it make sense to plumb in that
line on a WX engine? If so, where does it come from?  Just curious....


----- Original Message -----
From: "Buchholz, Steven" <Steven.Buchholz at kla-tencor.com>
To: <urq at audifans.com>
Sent: Friday, January 30, 2004 3:11 PM
Subject: RE: [urq] fuel injector inserts

> ... what is short to one person may be long to another ... ;-)
> I too received a set of long inserts from the dealer ... to show how
> things change ... this was probably back in the late 1980s, when the urq
> should still have been fairly fresh in mind ... :-)
> The longer inserts are for the air shrouded injectors, and they may very
> well fit into a WX head, but unless you have the air line from the intake
> manifold to the head to provide the airflow you will not realize much
> benefit from them.  If you have an MC engine in your car it will have the
> longer inserts ... and the air line to the head ...
> ... another intriguing point ... I purchased what I was told by Carlsen
> the last WX head casting in the USA ... no, I do not count this as gospel
> ... but in any event the new head has the brass fitting for the shroud air
> installed ... I expect it has the internal passageways to support this as
> well ... who knows, some day I might actually use those inserts that have
> been sitting in a box for 15 years or so!
> Steve B
> San Jose, Kaleefohnia (USA)
> >
> > Hmm...all this talk about the inserts.  My 85 urq had the
> > long ones in it when I got it. I got a replacement head from
> > Justin Riley, and it, too, had the long inserts. I replaced
> > the old ones with long inserts also. Seem to fit pretty well.
> _______________________________________________
> Audifans urq mailing list
> Send posts to: mailto:urq at audifans.com
> Manage your list connection: http://www.audifans.com/mailman/listinfo/urq
> Have an Audi question?  Look for your answer in the Audifans
> http://www.audi-quattro.org/kb ... all contributions welcome!

More information about the urq mailing list