[200q20v] Mixture....advice needed

[Bernie Benz]

Does the O2 sensor output confirm your lean diagnosis?

Bernie

> From: Brian.Link at Level3.com
> Date: Mon, 18 Dec 2000 16:25:40 -0700
> To: b.m.benz at prodigy.net
> Subject: RE: [200q20v] Mixture....advice needed
> 
> The motronic can shorten fuel pulses.  Would UrS4 Injectors make my car run
> lean with Stock Fuel regulator?  some say yes,   Revsport says no.  But my
> car is running lean at boost.
> 
> -----Original Message-----
> From: Bernie Benz [mailto:b.m.benz at prodigy.net]
> Sent: Monday, December 18, 2000 5:41 PM
> To: Link, Brian
> Subject: Re: [200q20v] Mixture....advice needed
> 
> 
> Maybe the operative phrase should be "capable of delivering more fuel".
> The ECU will shorten the injection pulse width to maintain the programmed
> residual O2 level.  Excessively short pulse widths would reduce injection
> volume resolution, so straight pipe injection is not good.
> 
> Bernie
> 
>> From: Brian.Link at Level3.com
>> Date: Mon, 18 Dec 2000 15:40:20 -0700
>> To: pjrose at frontiernet.net
>> Cc: C1J1Miller at aol.com, 200q20v at audifans.com
>> Subject: RE: [200q20v] Mixture....advice needed
>> 
>> RevSport claims that the UrS4 injectors deliver more fuel then the stock
>> 200's do even at stock fuel pressure.  Anyone have any idea of flow rates
>> for a S4 injector at 3.0 bar and 4.0 bar, compared with stock 3B
>> injectors????  
>> 
>> -----Original Message-----
>> From: Phil Rose [mailto:pjrose at frontiernet.net]
>> Sent: Monday, December 18, 2000 3:36 PM
>> To: Link, Brian
>> Cc: C1J1Miller at aol.com; 200q20v at audifans.com
>> Subject: RE: [200q20v] Mixture....advice needed
>> 
>> 
>>> RevSport installed RC injectors..
>> 
>>> You nailed it Chris,
>>> bosch part number for the 91 3B injector is 0280 150 737
>>> my injector is bosch part number 0280 150 951 which is the S4 injector.
>>> the 3B is at 3.0 Bar the S4 is at 4.0 Bar.
>>> Now what?  will a S4 regulator fit?  I guess I will have to get an
>>> adjustable one.
>>> 
>> 
>>> 
>> 
>> Shouldn't RevSport be responsible if the wrong injectors were
>> supplied/installed?
>> 
>> Phil
>> 
>> *********************************
>> *  Phil & Judy Rose           Rochester, NY  *
>> *        mailto:pjrose at frontiernet.net       *
>> *********************************
>> 
>> 
>> 
>> _______________________________________________
>> 200q20v mailing list
>> 200q20v at audifans.com
>> http://www.audifans.com/mailman/listinfo/200q20v