eprom for 747

[Bruce Plecan]

>     I'm real new here, and I have two small and easy questions. First, if
I
> want to buy some extra eprom to write on for a 747 ecm, what would be the
> size of it ( i guess pins and kb wise), I mean model maybe.

2732As, are what you want.

>     and for the other one, well I tried to use the winbin program, where
it
> ask for both a .ecu and .bin file to start, i tried several combination of
> 747 files, but without any sucess. Anyone can help me out.  I also tried
> different programs, but the only thing that seem that can be edited are
the
> fuel and timing related tables.  But how then I can change some other
basic
> specs, like rear end ratio, automatic -> manual, ... or is it even
possible,
> or would it make a difference.

manual to auto are different strategies for some areas of the program, much
much easier to start with something close to what you have,

>  The problem is that I can't seem to find a
> bin for a 305 tbi manual trans K1500 pickup.  Could I use a file for a
5.7L
> and adjust the fuel and timing to a 5.0L?

Got to the Home Page the GMECM then ecms by number 1227747 then get
ARPC
Bruce
>
>     Math Blais
>     fireb76 at videotron.ca
>
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