digi 1 vs MS

[jdbubb at ix.netcom.com (Dan Bubb)]

Just to clarify. It's not bad to use a knock sensor (generic sense) with
forced induction. The problem is the VW/Bosch KS ignition does not retard
under boost and using the knock sensor to get the required retard will get
you a far from optimum ignition advance.
I suspect there is a way to use the stock VW knock sensor in conjunction
with MegaSpark or MegasquirtnSpark to get the required retard under boost
and still retain the knock sensor function.
If anybody gets to the point of trying to implement this I'll be glad to
lend a hand.
Dan

----- Original Message -----
From: "Dan Smith" <sad_rocc@yahoo.com>
To: <scirocco-l@scirocco.org>
Sent: Monday, November 24, 2003 1:51 PM
Subject: Re: digi 1 vs MS


> Right, but it was my understanding that it's better to not use a knock
sensor with forced induction. Also, I seem to remember digi 1 having a built
in knock sensor, hence my putting my pros and cons the way I did.
>
> Dan
>
> Euroroc II <flaatr@yahoo.com> wrote:
> Under Pros-MS you say no KS... Since MS is fuel only this does not apply.
> Ignition stuff, i.e. knock box / knock sensor are totally in dependant of
> MegaSquirt currently.
>
> -Raffi
>
>
> At 11:40 AM 11/22/2003, Dan Smith wrote:
> >I'm trying to decide between swapping to digi 1 and swapping to MS for my
> >turbo projects. Here's my pros and cons list. Votes with reasoning one
way
> >or another would be much appreciated.
> >Pros- digi
> >easy swap
> >no real tuning to mess with
> >
> >Cons-
> >more expensive
> >more crap in the engine bay
> >not customizable
> >
> >Pros- MS
> >cheaper (maybe)
> >gets rid of a lot in the engine bay, neatens it up
> >100% tunable to make the most out of my car
> >no KS (KS is bad with turbo correct?)
> >
> >Cons-
> >still need to find other parts (fuel rail, sensors, etc)
> >needs to be built
> >tuning is a bitch
> >
> >So, have I hit the highs and lows of both? What does a complete,
installed
> >MS setup end up costing?
> >
> >Dan
> >
> >
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