timbo, Dan...MegaSquirters I need your help

[jdbubb at verizon.net (Dan Bubb)]

David,
Some additional thoughts.
I would go with MSnS-e but not because it can control ignition.
MSnS-e has features that the standard MS I software does not have.
In particular 12 X 12 fuel tables instead of 8 X 8.
AFR target table. Invaluable if you have a WB-O2.
And autotune! Works with the AFR target table while running the engine in 
closed loop to autocorrect the fuel table.
So, run the MSnS-e software, but just set it up so it doesn't control 
ignition.
Dan

From: "David Brown" <sharpshooter33@roadrunner.com>
Sent: Sunday, January 07, 2007 1:21 AM
Subject: Re: timbo, Dan...MegaSquirters I need your help


Thanks Dan.  That's what I was looking for on the spark.
I'm going to go with MSI and get signal from pin 7.  I should be able to put
the IGN out components on the board and just not wire them for out put for
now.

PWM?
Thanks again Dan for your help. Hopefully you'll be able to look at my MS in
Cincy.
David
----- Original Message ----- 
From: "Dan Bubb" <jdbubb@verizon.net>
To: "David Brown" <sharpshooter33@roadrunner.com>; "scirocco scirocco"
<scirocco-l@scirocco.org>
Sent: Saturday, January 06, 2007 10:49 AM
Subject: Re: timbo, Dan...MegaSquirters I need your help


I strongly suggest you run only fuel control.
The stock KS system is already a mapped electronic system with knock
control. The MS can incorporate knock control, but it's already there with
the stock KS system and I'm pretty damn sure you will not be able to improve
upon the stock map without a LOT of dyno time.
If you were going to run forced induction that would be a different thing in
that the stock KS is not mapped for boost.
But for an NA engine I imagine the stock KS map is about as good as you can
get.
I'm not knocking your skills or knowledge, but there is no feedback tuning
tool for ignition like there is for fuel. And before anybody chimes in and
say advance till it knocks and back off 2° I'll simply say for an NA engine
best performance is NOT necessarily just shy of knock, especially at part
throttle!!

Inject Dan attitude. Why would everyone suggest spark control right off the
bat? I cannot tell you the number of people that do not believe you should
run 45° advance at 50 kpa and 3500 RPM yet that's what a stock JH of PL
ignition will produce. Really just use the stock KS unless you're going
forced induction. Damn few people can improve upon it!!

Yes you can pull a nice square wave signal off of the ICU pin 7.

I haven't done anything with the ISV control so I have no input there.
Dan

From: "David Brown" <sharpshooter33@roadrunner.com>
Sent: Saturday, January 06, 2007 12:23 AM
Subject: timbo, Dan...MegaSquirters I need your help


Ok I'm at step 55 in the assembly process. I've got a working MSI PCB V3.0
I've got the circuits installed for inputs, but haven't started on outputs
yet.

Here's my problem... I'd like to eventually run MSnSE and control spark, but
right now since it's my 1st MS project I want to do stand alone on my 86
Jetta GLI (yes it has a knock box and locked dizzy so that won't be an issue
later)

Everyone tells me I should just go MSnSE and control spark right off the
bat.

I'd like to run just fuel management 1st...So where do I tap tach signal?  I
think Timbo's drawing was using pin 7 of the ICU?

My next question would be PWM and ISV.  How have you set these 2 up?

Thanks for any help
David
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