2.5l 5cyl via diesel crank and smaller bore

[Todd Phenneger]

Hmm,
  I was pondering yesterday.  Javad, if one had an AAN 5-coil S4
motor and no ECU or Harness, coudl your 034 system run it.  Is
your new FUEL & Spark system fully independent?
  Just having thought runnign through my head. :-)
l8r
  Todd

--- JShadzi at aol.com wrote:
> Well, granted, my experience tuning the Motronic system is
> limited, but Hap over in Colorado is running Motronic, and
> with reasonable mods he's pushing some 400 wheel hp on a very
> reasonable K26/TO4 54 trim turbo.
>
> If the Motronic is ad tuneable as you say Mineha, then tuning
> for bigger injectors to supply enough fuel shouldn't be a
> problem either.  Of course, if the Motronic can't keep up with
> the power, then a better alternative should be considered ;)
>
> Javad
>
> >Javad, Todd, Pantelis,
> >
> >500 HP, even on an RS2 engine, with real long term
> reliability is *not that
> >easy* to achieve. First off because the Motronic can't
> calculate a long
> >enough injector opening time of 16ms at 6k and 14ms at 7k. It
> need serious
> >tuning with not that much error margin and freaking big
> injectors too.
> >Plus, the cold side it would need would have to be something
> like a T04
> >60-1 trim combined with a turbonetics #8 K26 hot side (which
> is about as
> >big as a standard Sport quattro K27 #7 hot side) as well as
> ideally an MTM
> >S1 EM or a tubular one.
> >
> >Everything is possible, but the main issue remains the
> budget, 440 safe and
> >reliable HP can be done for pretty little money compared to
> what it would
> >take in order to make 500 or 500+....
> >
> >Just my 0.02 Euros,
> >
> >
> >Mihnea
> >
> >At 12:15 17/09/2003 -0400, JShadzi at aol.com wrote:
> >>If you build that motor up right, no reason you can't have
> 5-600hp out of
> >>it if you wanted, heck, I'm getting close to 400 out of a
> distributor
> >>ignition'ed 10v, a direct fire RS2 motor with rods, the
> right turbo, and
> >>of course the proper management can make 500 crank easy.
> >>
> >>The difference between an "alleged 360" and 400hp is small
> to say the
> >>least, I completely agree with Todd, I'd make 500 your goal
> for this project.
> >>
> >>Javad
> >>
> >> >Right,
> >> >  But if he is gonna spend the time and money to say,
> Extrude
> >> >HOne and P&P the head and EM, put a Ceramic Ball bearing
> T3/T4
> >> >Turbo on there, and who knows what else, why not shoot for
> a
> >> >little more than 400.  I guess thats what I'm saying.
>  With a
> >> >similar setup, simply moving to the T3/T4 and then doing
> some
> >> >serious chip tuning Alex and Ned ended up with a 4ktq that
> was
> >> >WAY more powerful than it was before.  We did not Dyno the
> car,
> >> >but it was around 380hp before the mods and was maxed out.
> >> >After the changes I'm guessing the car jumped to at least
> 450hp
> >> >as it was MUCH MUCH faster.
> >> >  I hear everything your saying, I just feel that if one
> is
> >> >going to spend lots of dough on upgrades and custome rods
> they
> >> >may as well aim a little higher.
> >> >l8r
> >> >  Todd
> >> >
> >> >--- Mihnea Cotet <mik at info.fundp.ac.be> wrote:
> >> >> At 00:26 17/09/2003 -0700, Todd Phenneger wrote:
> >> >>
> >> >> >   Anyhow, my Point was why shoot for 400hp when he is
> so
> >> >> close.
> >> >> >Might as well go for more and see a noticable
> improvement.
> >> >>
> >> >> Because the difference between 380 HP at the
> >> >> reliability/efficiency limits
> >> >> of a turbo is sooooo big when you compare it to 400 HP
> with a
> >> >> turbo that is
> >> >> at 80%+ efficiency and no reliability issues. 380 safe
> and
> >> >> reliable HP in
> >> >> the long run is almost impossible for an RS2 turbo,
> except if
> >> >> there's a big
> >> >> IC, very good exhaust with no cats and possibly some
> head work
> >> >> done, BTDT
> >> >> on the dyno.
> >> >>
> >> >>
> >> >> HTH,
> >> >>
> >> >> Mihnea
> >
> >


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