[Gmecm] VSS help needed.

[Jake Tucker]

All,
	When I did a search on the NAPA part number, it appeared to cross
reference to GM# 10456131.  That part is available at gmpartsdirect.com for
$37.
	Anyway, what I am after is something that would work for a late
model car, which expects 40 pules per axle revolution.  I've got two
projects that need the 40 pulse, one is a Vortec 5.7L in an 84 suburban, and
the other is a Vortec 6.0L in a '89 Topkick.  Both are using the stock
tranny for the vehicle which have a cable speedo output.  The only option
I've seen to date is a kit from Jags that Run with a wheel and and a pickup
that will bolt to some differentials.  We've been looking at fabricating a
wheel for the topkick and using that option, but it's not ideal.
	The reason that the TopKick is complicated is that it uses a two
speed rear-end.  For the speedo, there is a  gearset which corrects the
speedo when the two speed rear is used.  If we could find a way to mount a
pulse generator inline with the speedo cable, it would compensate for the
two speed rear.  Any ideas?

Jake

-----Original Message-----
From: gmecm-bounces at diy-efi.org [mailto:gmecm-bounces at diy-efi.org] On Behalf
Of Jared Ryan
Sent: Monday, June 04, 2007 7:12 PM
To: gmecm at diy-efi.org
Subject: Re: [Gmecm] VSS help needed.


On Jun 4, 2007, at 9:08 PM, Rexdina at aol.com wrote:

> Just recently lost all my saved info. Does anyone have the part
> numbers for
> that speedo sender that had both a cable and a magnetic output?

I've pasted it below.

> From: "Mike Wilson" <mwilson at bwarch.com>
> Date: May 30, 2007 2:35:21 PM CDT
> To: <gmecm at diy-efi.org>
> Subject: RE: [Gmecm] Re: Stumbling '7730
> Reply-To: gmecm at diy-efi.org
>
> I found a dual output VSS that came on 1993 Caprice cop cars is still 
> available from several local auto parts stores. NAPA # VSS231 or CSK 
> #DR1044 is what I used. It was around $60.
>
> It has the VSS output for the ECM and a mechanical speedometer cable
> drive
> that was used for a mechanically driven radar gun. It worked great 
> when I
> put a 4L60 & LT1 into my 67 Chevelle with the original mechanical
> speedometer.
>
> You will just need a conversion speedometer cable made for your 
> current setup if the AMC transmission connection is different and 
> later one made for the MG swap to use the original MG speedometer.
>
> Hope this helps,
> Mike

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