Re: VSS differences for 746 to 730 swap

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

 Thanks,
Im still just testing the waters here so up to this point 90-92 l98 fbody
code was what I was aiming to use if it can be done. Dont know if there
would be any problems there, im hearing things about that keeping the max
duty cycle of the injectors pretty low relative to tbi which could cause a
problem if true. Not sure on that, or anything at this point really. The 746
from what I understand is identical to the 747 except its slightly upgraded
because it employs an IAT. No ones hacked the code on it (atleast of the
sources available to me)
oh and about the VSS, is that all there is to it?
Pablo

At 04:49 PM 3/13/00 -0700, you wrote:
>You should be able to tie directly into the 2000 pulse connection at 
>C6.  My question is what kind of code are you going to use?  Is it 
>the same one out of the 746?  I don't know much about the 746 but 
>alot about the 730.
>
>On 13 Mar 00, at 15:49, 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). 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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