Mech speedo revs per mile

[Bruce Plecan]

-----Original Message-----
From: Joe Boucher <jboucher at ctelcom.net>
To: diy_efi at efi332.eng.ohio-state.edu <diy_efi at efi332.eng.ohio-state.edu>
Date: Tuesday, August 11, 1998 8:25 PM
Subject: Mech speedo revs per mile


>I was thinking about trying to use the mechanical input cruise control on
>the Suburban by using the electrical signal off the 700r4 tranny speed
>sensor into the box.  

The speedo signal used for the ecm in many 700r4's is actually
generated in the speedometer head.  The speedo cable rotates 
at 1000 revoltions per mile.
    I'm not totally sure that answers your guestion.
Cheers
Bruce
>
>But first, some experimentaion with the mechanical cable and a variable
>speed drill.  Isn't a mechanical system set up for 1000 rev per mile?
>Joe Boucher
>'70 RS/SS Camaro  '81 TBI Suburban
>