Thu Nov 20 15:09:11 EST 2003
versions of the Motronic present in the 200q20v... the
S1 had Motronic 1.7 where the 3B uses a M2.3 engine
management system. So I really doubt that the 2.3
would have problems handling more than 300 HP... From
what I knew, the distributor's barrier was somewhere
around 400 HP but I never understood why it was such a
problem when the S1 and the 90 IMSA didn't have the
coil per plug setup yet. Maybe some people encountered
cross-firing issues while using the wrong distributor
rotor? I don't know but at least I'm pretty sure that
the distributor setup can handle more than some people
think and the best proof is the 90 IMSA and the S1.
I think I'll post to the 20vKruemmer_files list and
ask if someone knows exactly what are the limits of
the dizzy setup and why...
--- Peter Schulz <peschulz at cisco.com> wrote:
> I disagree with you on your Distributor comments....
> Look at the engine in the Talladega 5kqt..
> Look at one of the IMSA motors:
> I see plug wires and a distributor, on an engine
> detuned to about 650hp....
> They evidently did not have an issue running a
> distributor at over 300 hp.
> Of course, I can't see if they are running the 1991
> 200 20v motronic ECU....
> That's probably the main difference
> ...different engine management system
> At 09:39 PM 10/22/2002 -0400, you wrote:
> >The 3B uses a distributor in its ignition system.
> >The AAN uses individual coil packs for ignition and
> >ignition control over each individual cylinder.
> This additional
> >control allows the engine to run at a much higher
> state of tune
> >than a 3B. The cross-firing distributor problem
> that is a known
> >issue with 3Bs running high boost is eliminated and
> >ignition and timing control is far more
> sophisticated engine
> >management overall.
> >Thus, as I said, the long-term goal of converting
> to AAN ECU and
> >direct ignition, along w/ RS2 intake & exhaust
> manifolds, turbo,
> >MAF and software. I can live w/ 380hp. :-)
> >I'll save the 500hp goal for when I get a 951S and
> have the money
> >and time to get it converted into something like
> the 3.1L 16v monster
> >that an acquaintance owns.
> Peter Schulz
> 1990 CQ
> 1991 200 20v TQW indigo mica
> 1991 200 20v TQW titanium grey
> Chelmsford, MA USA
> peschulz at cisco.com
> 200q20v mailing list
> 200q20v at audifans.com
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