eprom in GM TBI unit ??

[Carl Summers]

Paul Tholey wrote:
> 
> I would like to make a custom performance chip for my dad.  He has a 1989
> Blazer 1500.  It has the 1227747 computer.  Dose anyone have a stock or
> performance file?  It would help so I would not have to bring the chip up to
> school, and therefore disable the truck.  This will be my first time
> attempting such a task, any assistance would be much appreciated.
> 
> Paul Tholey
> 
> >Jan Wännman wrote:
> >>
> >> What kind of E-prom is it in a efi unit belonging to a GM TBI unit, size
> >> type etc..  (chev,1989)
> >>
> >> / Janne
> >
> >If it is a 1227747 computer it is a 2732a intel type chip.......HTH
> >-Carl Summers
> >
> >
Paul,
  Regarding the file I just sent...Checksum is at 0 and 1 and is
calculated from 0004 to 0fff......have fun. Make sure you correct that
after making changes in the program.
-Carl Summers