Re: Msd's

From: kmiller (kmiller@cvn.net)
Date: Wed Sep 24 1997 - 16:24:23 EDT


How much money's involved? and where do you live?

Scott Miller

----------
> From: dmagnum@ccs.netside.com
> To: dakota-truck@buffnet.net
> Subject: DML: Msd's
> Date: Wednesday, September 24, 1997 8:31 AM
>
> Ned wrote,
>
> > for anyone else who's running MSD on a 96 or newer Dak (is
> > Sean on the list?) I saw a post recently with someone else running MSD
> > with an OBD-II truck. Anyway, I pulled the codes from my Dak's
computer
> > the other day (usually do it every month or so... usually get my
standard
> > 12,55 and this time got 12,43,55)... OBD-II table sez that code 43 is
> > either a multiple cylinder misfire, a single cylinder misfire, or
> > Ignition coil: Primary circuit current not acheived with maximum dwell
> > time (I'm betting this is the one that applies to me). I highly doubt
> > I've had any cylinder misfires as my truck has been running great!
I'm
> > guessing it has to do with the MSD ignition I put on the truck
recently,
> > and my question is: do I need to worry about this code?? Will it go
away
> > eventually (seems I've had a 12 code forever)?? Should I get the
dealer
> > to "flash" the computer so I reset all the codes??? Anyone else
running
> > MSD getting this code? The other thing the OBD-II table sez is that
this
> > code will illuminate the MIL (check engine) which I haven't seen at
> > all... Questions, comments, ideas??
> Hey Ned,
>
> How are you reading the codes off your 96' Dakota's Jtec (with what
device)?
> Were did you obtain the fault codes?
> I just read an article in the latest issue of Mopar Muscle in regards
to aftermarket
> ignition systems. Basically this guy said not to use them due to the
fact that it
> screws up fuel injector timing (uses distributer as a sync source).
Bill and
> myself have verified this. They will slow your truck down at least 2
tenths in the
> quarter. I seem to think its due to a short duration lower current
spark.
> If you fire more times than stock within a combustion cycle, you have
to increase the
> time it takes to fire each spark decreasing duration. Also, basic law
of
> transformers (ignition coil),
> If you change the input to output turns ratio, you will either:
>
> 1. increase current and lower voltage (STOCK): More current, Fewer
secondary turns
> smaller physical size
>
> 2. increase voltage and lower current (MSD OR ACCEL) Higher output
voltage, more
> secondary winding turns, larger physical size
>
> The new stuff for emissions requires long duration and higher current
sparks. Thats
> why the newer style rotors are so wide as compared to its predicessor.
> This is my opinion. All I can say is that they don't work.
>
> Waiting for the weather to cool off here. Been to hot to get any good
times.
> 15.05 at 88.3 has been the best at 88 degrees. I'm getting real itchy.
I may try
> an Accel. They claim more spark duaration and current than all the
competition.
> Still waiting for the insurance company to release my 360 in a
totalled 95 Ram so
> that I can do the swap. Anybody want a strong 318 with 12500 miles on
it? Its
> spotless.
>
> Stan
> dmagnum@mail.netside.com



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