Re: VSS differences for 746 to 730 swap

[olbap <olbap@mail.mia.bellsouth.net>]

ah, thanks for the clarification shannen.  Yeah is there a reason i wouldnt
want to?

At 08:42 PM 3/13/00 -0500, you wrote:
>olbap wrote:
>> 
>> Hey all,
>> Lemme preface with IM SURE THIS HAS BEEN GONE OVER but the archives have
>> been down for some time it seems so forgive me.
>> 
>> I want to swap to a 730/727 on my 89 firebird running TBI. As I stated in
>> the last post that was ignored :) Ive figured out all the pins that need to
>> be changed.. etc etc.. pretty much know how to wire it up. Its a peice of
>> cake..  The one difference i see is VSS. I know there is a guy on the list
>> who did the 165 - 730 swap and lists something about a custom prom neccesary
>> for vss function in his list of pinout changes.
>> Looking at the diagram i have the VSS seems to have a power wire seperate
>> from the ecm and a ground shared with the power steering switch and gear
>> selector switch on the 746 ecm (im guessing). 
>
>You're looking at the VSS Buffer.  There are 2 wires from the VSS,
>plus one to ground, and one from ignition power.  You can remove it to
>get a direct signal from the VSS.  
>
>I'm not so sure you want to run TBI with the TPI ecm.  Someone else
>could better answer this, though.
>Shannen
>
>The 727/730 is just an in and
>> out deal from the vss.
>> I suppose if it came down to it i could swap the VSS out but id rather not
>> do that cause im a poor student
>> I know someone out there knows this
>> 
>> Thanks
>> Pablo
>> 
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