LT5 DIS was Re: How does a DIS

[Len Sabatine]

      CNP needs crank position reference [ sensor] input. Controller needs to
      know #1 position. Strategy is used throughout GM with DIS IGN.
      Sounds like fun. Since drivers are on CNP coils , A stand alone sys could
      be workable. Think of all the spark loss eliminated with all those 
feet of secondary
      wire removed , along with much improved ms response time. Vroooom.
      Len


>I have an LS1 bank (the other one is still @ the Vette shop) that I am using
>for the experiment that I have going here.  I think that the CNP is the way
>to go as the coils have the igniters in them but you also have the added
>head ache of having to have a #1 cyl indicator.  I have an opto pickup in my
>91 F-body distributor that I am going to see if it is going to work.  I
>don't see any reason why it wont.  but a much more simple & probably more
>robust design would be a Waste spark but now I have to deal with the added
>complexity (& expense) of coil drivers.  plus the COOL factor of CNP, is
>waaaaaaaaaaaaaaaay up there with CNP.
>
>BW
>
>-----Original Message-----
>From: owner-gmecm at diy-efi.org [mailto:owner-gmecm at diy-efi.org]On Behalf
>Of steve ravet
>Sent: Wednesday, May 16, 2001 9:13 AM
>To: gmecm at diy-efi.org
>Subject: Re: LT5 DIS was Re: How does a DIS
>
>
>The new GM truck engines are CNP, they have a very nice looking bracket
>holding 4 coils, with short wires to go the plugs.  I have no idea what
>the electrical interface is but they look like a neat solution
>
>Bob Wooten wrote:
> > if someone were to want to build a V8 DIS (as I am) I need a way to hold
>all
> > the coils.  this seems to be the way & I can not imagine that this holder
>is
>
>--steve
>
>--
>Steve Ravet
>steve.ravet at arm.com
>ARM,Inc.
>www.arm.com
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