[Gmecm] vortec and ls1 crank pickup differences

[D.Pray]

For anyone using a distributor, we have a cam position sensor that fits
inside. It comes with a rotor piece and sensor. We use it on our fuel
injection sequencer.  See:
http://www.bakengineering.com/page5.html

Dwight Pray, Chief Engineer
BAK Engineering, LLC
www.bakengineering.com
tel:407-324-2907
fax:407-268-4874
When the solution is simple, God is answering. A. Einstein

----- Original Message ----- 
From: "Judd Porter" <jporter12 at alltel.net>
To: <gmecm at diy-efi.org>
Sent: Tuesday, May 03, 2005 7:59 AM
Subject: RE: [Gmecm] vortec and ls1 crank pickup differences


> The vortec trigger wheel is NOT aluminum, it is steel.  The type of sensor
> used in the vortec setup would not work with aluminum, as it is all about
> magnetism.
>
> There is no way, without serious modification that the LS1 trigger would
> work with the vortec setup, or vice versa.  At that point, it would
probably
> be easier to just fabricate one.
>
> If running the LS1 style CNP ignition setup is your goal, there are other
> options, one that I've heard of is the FAST EDIS.  I'm not sure what it
> would take to get it to work, but with having the ckank and cam sensor
> already there I would think would be of some help!
>
> HTH
> JP
>
> -----Original Message-----
> From: gmecm-bounces at diy-efi.org [mailto:gmecm-bounces at diy-efi.org]On
Behalf
> Of Robert Fleming
> Sent: Monday, May 02, 2005 4:17 PM
> To: gmecm at diy-efi.org
> Subject: [Gmecm] vortec and ls1 crank pickup differences
>
>
> Hypothetically if someone wanted to use the ls1 style computer on a
> traditional small block would a vortec l31 crank position sensor create a
> signal compatable with the ls1 ecm?
>
> I know the number of teeth on the trigger wheel is wrong, 4 on the l31 and
> 24 on the ls1. Looking at the two trigger wheels makes me think it won't
> work.  The ls1 is two sheetmetal pieces stacked on top of each other.  One
> wheel is the negative of the other, so where a gap is on one there is a
> tooth on the other, and vice versa.  A picture can be found at
> http://www.gmgoodwrench.com/perfpartsjsp/partlist.jsp?cat=9283&section=ep
,
> its about halfway down the page.   On the vortec it looks just like you
> would expect a 4 tooth wheel to look.  Round aluminum disc with 4 teeth
> sticking out at 90* spacing.
>
> So with that said.... what are the chances that the ls1 CKP sensor with
its
> sheetmetal trigger wheel  creates a signal compatible with the vortec l31
> CKP sensor with its cast aluminum 4 tooth wheel?
>
>
>
> Thanks,
> Robert
>
>
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