fuel injector replacement benefits

[Huw Powell]

> Car is an '89 90 quattro 10v with about 160k on the clock.
> I'm going to replace all of the vacuum hoses and fittings etc because I
> know I have some vacuum leaks in the intake boot and hoses.  I know that
> there is a possibility that I may have vacuum leaks around the injectors,
> so I'm curious what gains I might realize if I changed the injectors and
> associated hardware as well.  The vacuum boots and hoses will cost about
> $150, if I do the injectors as well, that will add about $250.

Well, *definitely* replace the injector seals.  In my experience, new 
injectors make for a smoother running engine.  I think the manual calls 
for new ones every 90k miles.

You can always measure the spray pattern and delivery volume to decide 
whether to keep them or not.

See the Barq's root beer commercial 2/3 of the way down this file:

http://www.humanspeakers.com/audi/injectors-90.htm

-- 
Huw Powell

http://www.humanspeakers.com/audi

http://www.humanthoughts.org/