VSS on the GM GENII engine

Jason R. Haines jhaines at lingenfelter.com
Tue Mar 20 21:49:40 GMT 2001


I think the output of the VSS is 40 pulses per revolution. The PCM output to
the dash is 4000 pulses per mile.

Hope this helps,

Jason



----- Original Message -----
From: <ted at boxey.com>
To: <diy_efi at diy-efi.org>
Sent: Tuesday, March 20, 2001 12:46 PM
Subject: VSS on the GM GENII engine


> hello,
>
> I am trying to identify what the VSS pulse characteristics are for the new
> genIII gm engines.  I am using the stock computer, and the engine is a
2000
> model LQ4 (6.0L Vortec) out of a Silverado 2500.
>
> I am mating the engine/transmission to a Toyota Landcruiser transfer case,
and
> need to buy/make a pulse generator to work off of the cable driven
speedometer
> port.
>
> The 4L80E has a port (used when installed in a 2WD truck) for the VSS in
the
> main housing, but the 4WD output shaft does not have a reluctor ring.
>
>
> thanks
>
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