Re: fuel throttle enrichment

[Shawn Rader <s_t_rader@excite.com>]

You could probably pull the entire cis wiring harness + brain off a 83/84
GTI and hook up the full throttle enrichment switch that way.  I think you
would get better results than with some solder job hack.  
  Something I want to try is the Audi 5000 control preasure regulator.  This
cpr has a vaccum connection on it that hooks up somewhere on your intake. 
When the engine is under heavy load the cpr drops control preasure thus
richening the mixture.  This sounds better to me, because you are only
getting enrichment when you need it, not whenever you are at full throttle.
  Anyway, get the Bentley Bosch fuel injection book.  It explains everything
better than i can.

On Thu, 14 Jun 2001 10:41:32 -0700 (PDT), Anthony Pelletier wrote:

>  Disclaimer:  The systems are down at work, so I'm
>  bored
>  
>  I was thinking about my fuel set up in the MKI.  I
>  have straigh CIS with an 02 sensor (which is probably
>  smoked because it makes no difference weather its
>  plugged in or not.) The motor is a RD (10:1 1.8l) with
>  a hot cam (276?) ported intake, dual outlet manifold
>  etc.  I am wondering if I am getting real lean in the
>  top end.  The earlier cars don't have the fuel
>  enrichment switch like the later cars do.  Is there a
>  way to retrofit this or is it in the ecu?  I checked
>  my plugs and despite the fumes (wich make your eyes
>  water) the plugs show no sights at all of being rich. 
>  I hate to dial in more fuel and have it stumbling at
>  low rpm to support the high revs.  Any ideas.   I am
>  not super concerned because the motor is coming out
>  this fall anyway, but it'd be nice to optimise what I
>  have as much as possible.  I am sure there is someone
>  who is very knowlegeable about old school setups.....
>  
>  Tony
>  Bored at work
>  
>  
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