What's better: MS2 w/ full EDIS or direct coil control.

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gofastant
MS/Extra Newbie
Posts: 34
Joined: Sun Oct 09, 2005 1:01 pm
Location: Maine

What's better: MS2 w/ full EDIS or direct coil control.

Post by gofastant »

I have MS2 V3.0 going into a 1990 G60 Corrado. I wont be using the stock hall sensor/distributor because it is known to fail.
I do have the full EDIS package with the wheel, VR sensor, coil pack & ignition. I also have a normal Accel coil from when I had the stock VW ignition running.

What I need to know is what will perform better: The direct coil control or the EDIS ignition control. Having better performance and control is more important to me than having a simpler package. With direct coil control I still need the distributor so the spark goes to the right cylinder, correct?
Jim
Experienced MS/Extra'er
Posts: 219
Joined: Sun Aug 28, 2005 9:50 am
Location: Atlanta , Georgia

Post by Jim »

It depends on how bad you want "Spark Cut Rev Control"
(as opposed to Spark Retard Rev control)
and "Spark Cut Acceleration Control" (traction control)

Aside from these 2 items there is no difference in performance .

Personally , I would go with the EDIS Module ,
especially if you are new to MS .

Later , once you have things sorted out and working well ,
you can venture into other options .

It's a big chunk to bite off even if you do it the simplest way posible ,
but you have tons of good info on the MS website , read , read , read .

There is a way that you can control your EDIS Coil Pack directly with MS ,
it does require some hardware modifications to MS .
I don't recommend it .
You would be runing wires directly from the Coil Pack inside your MS ,
this is not a good idea and sometimes causes problems with
noise and spikes , making MS do strange things .

Controlling a single coil directly with MS also runs
the coil wires inside the box , same problems .

If you want to run a separate ignition amplifier like a MSD-6 ,
MS can easily do that too .

It's always best to use an external Ignition Module of some sort
no matter how you do it .

Running a Turbo ?
Go with the EDIS Module with a MSD EDIS controller ($400.oo)
serious spark power and no Dizzy hassles , simple setup .

You can also use MS with the 36-1 wheel to directly control
COP (coil on plug) ignition ,
the EDIS module can also control COP ,
this way you don't have the worries of setting up MS to
read the wheel directly (recomended) .


...................Jim
'95 GM 4.3 Vortec V-6
Single Plane Intake w/ported GM Throttle Body
Ported Heads , stock roller cam retarded 8 degrees
MS-II 2.6 , V-3 board , MT 3.0
EDIS ignition , Innovate WB 02
250hp , 28mpg @60mph in a 2 ton wagon
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