kbogach at comcast.net
Sat Dec 11 09:57:14 EST 2004
hanks for info about possible leaning out for older injectors. Mine,
though, are almost new - 20Kmi.
Are those tiny hole for air? What the purpose of it?
I certainly will not try again to take them off . It was silly of me.
Ameer Antar wrote:
> Some injectors have the shrouds, some do not. I doubt that the motor
> would work properly if some of them fell off into the intake port
> above the valve. It would probably rattle around in there. My guess is
> that someone maybe replaced a few of the injectors with non-shroud
> type, since they're cheaper. I'm not sure if you can separate the
> shrouds and have it work properly after, but I doubt it. You may be
> able to clean the tips using some solvent and a soft cloth...although
> my mechanic says the seals are sensitive to certain solvents and can
> dry out and crack.
> I don't know how long you want the car to run, but I'd really
> recommend replacing the whole set. You might be able to work out a
> deal with Rod at TPC to buy them cheaper as a set. The injectors can
> be tested by jumpering the fuel pump and lifting the airflow plate. I
> compared the spray pattern between new ones and originals on a 150k
> car and the difference was notable. Although the old injectors still
> sprayed a full cone pattern, the spray was less volume, so that would
> account for a gradual leaning out of the mixture as the car aged, and
> the need to adjust the mixture.
> ----Original Message----
> Date: Thu, 09 Dec 2004 17:00:38 -0500
> From: Konstantine Bogach <kbogach at comcast.net>
> Subject: injector's tip
> To: quattro at audifans.com
> Message-ID: <41B8CB06.30401 at comcast.net>
> Content-Type: text/plain; charset=ISO-8859-1; format=flowed
> My injectors are off my 200tqa '89. Tips are dirty. I am thinking
> maybe I shoud clean the tips as they have tiny holes (jets?) in them
> and I dont know if they are clogged up. Are this tips removable? I
> remember, when I changed injectors coulple years ago, the old ones
> came out without tips as tips stuck in the inserts? It seems to me
> that in my another 200tq '89 I had remove recently replaced injectors
> and one also came out without tip and I just put it back when
> re-installed injector. But I don't remember for sure. Besides
> cleaning, it would be much easier to put on new viton o-rings. After
> putting on 3 rings I feel like my fingers need a week of rehabilitation.
> Thanks in advance.
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