Question for HUW Powell or anyone else

[Huw Powell]

All I remember is the word "Kostal" and an afternoon on the floor of 
Marc's garage splitting the harness into "useful" and "useless" parts.

http://audi.humanspeakers.com/me.htm

Second photo...

On 7/31/2012 9:17 PM, Bill Green wrote:
> Yes I’m using the JT ECU. Thanks for tip regarding the knock sensor setup. I
> do have the sensor itself as well as the original NG distributor both of
> which are brand new.
>
> I haven’t cleaned the ISV yet but plan to very soon as suggested. I’ve had
> to use the JT ISV because I’m limited by what the JT wiring harness will
>
> connect to. The JT ISV is about ½ the size of the NG ISV. That may be part
> of the problem? The duty cycle from the JT is running in the 40% range on
> the NG. I see no way allow more air to bypass the throttle body in order to
> reduce the Duty cycle to 25 – 30% as it should be. The JT ISV has three
> wires vs. only two for the NG ISV. I wonder if I could interchange them
> somehow?
>
>
>
>
>
> From: Tony Hoffman [mailto:auditony at gmail.com]
> Sent: Tuesday, July 31, 2012 4:32 PM
> To: Bill Green
> Cc: quattro at audifans.com
> Subject: Re: Question for HUW Powell or anyone else
>
>
>
> So, you still have the original ECU from my understanding? If that's the
> case, adjust everything to original 4000Q specs, as that's the management
> system you are using and adapting to. As for the knock sensor setup, it's
> pretty easy to put one in from an 85-86 GTI/GLI 8v. COmpletely self
> contained, having nothing to do with the fueling system. That's what I've
> done on several cars where I've installed a high compression engine where
> there wasn't one originally. And, they use the stock distributor as well.
>
>
>
> Have you cleaned and checked the ISV?
>
>
>
> Tony
>
> On Sun, Jul 29, 2012 at 12:13 AM, Bill Green <wgreen56 at tampabay.rr.com>
> wrote:
>
> Hi again!
>
>
> You may remember me as I am the lad who thought a loose starting motor was
>
> really a serious knock in his new NG engine he just installed in Audi 4000s
> quattro. The engine is installed now and seems to run strong. The only
> problem is a brief stumbling when going to back to idle from higher rpm
> before calming down and idling fine at about 750 rpm.
>
>
> My question is whether I should set the initial  mixture setting on the air
> handler (using a rig exactly like the one you made to measure the milliamps
> between the ecu and the differential pressure regulator) so it fluctuates
> around 10 milliamps or 0 milliamps. I am using the original NG injectors and
> a fuel distributor / DPR from an Audi 90 which had a NG engine in it. The
> ecu and the air handler however are both from the original JT engine with
> CIS-E  not CIS-III. I currently have the base mixture set to hunt around 10
> milliamps.
>
>
> By the way the distributor is also from my old JT engine which utilizes a
> vacuum advance setup since I don't have (and don't really want) the knock
> sensor / electronically controlled timing thing.
>
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