Ecm/prom question

[Gramps]

Did some searching in the chips thread and in general, found a few but not quite what I was looking for. I know it has to have been answered before but just can’t find it.

I have a customer that has a 94 k1500 4.3 and manual transmission. He swapped in a 5.7, his donor truck being an 88 the ecm is not the same.
having a hard time finding a prom or memcal chip for a 94 manual trans v8 truck. Does anybody have a gm part number for one?
Or will the 4.3 chip do the trick as is, albeit not quite the best option but one the can get him to work and back.

 

[PlayingWithTBI]

Here's a link to Gearhead-EFI's list of bins.

http://www.gearhead-efi.com/gearhead-efi/bin/

 

[Gramps]

Here's a link to Gearhead-EFI's list of bins.

http://www.gearhead-efi.com/gearhead-efi/bin/

I’m not quite sure what the bin is, short of that it skips over the ecm service number we have.
16196395 which according to gm was superseded to 19186066.

 

[PlayingWithTBI]

It looks like the 6395 was only used on a 5.7L 4L80E trans. Maybe a bin for a 7.4L and tune the VE tables?

http://www.gearhead-efi.com/Fuel-Injection/showthread.php?337-16196395-PCM-Information-OE

Or a different ECM? There's always the EBL...

http://www.gearhead-efi.com/Fuel-In...o-Definition-Files-Wiring-Diagrams-Tuner-Info!

 

[Gramps]

That 6395 is what was pulled from the truck, buddy at the gm dealer confirms via vin# that it is the correct part it left the factory with. 4.3 v6 5spd truck. What he can’t tell me as gm no longer has the information listed is what prom/memcal chip part number is for a similar truck with a 5.7 engine. The ecm number being the same, but chips differ.

Customer has no interest in custom programming, (which may land him out of luck ha) is why I am searching for the oem chip for a 5.7 5spd truck.

 

[PlayingWithTBI]

Yeah, I'm sure the list of bins isn't totally complete there (maybe the 4.3 or 5.7 stick weren't very popular). They just post whatever they can find that's a known, good, stock bin. I tried but, couldn't find anything that's a direct replacement, sorry I can't help.

 

[Gramps]

Yeah, I'm sure the list of bins isn't totally complete there (maybe the 4.3 or 5.7 stick weren't very popular). They just post whatever they can find that's a known, good, stock bin. I tried but, couldn't find anything that's a direct replacement, sorry I can't help.

I appreciate the help.
Maybe you can explain a few things, what exactly is a bin? Or any of the other short forms they use over there. (A little over this guys head lol)

 

[PlayingWithTBI]

what exactly is a bin?

.bin Binary file, Broadcast Code AKA BCC, or Calibration, which is loaded on your chip or EPROM, is that 4 letter designation usually printed on top of the chip. Yours is probably the one on the left and the one from the 88 is on the right.

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Here's a dictionary that will help. You can scroll down to the bottom to find a more complete list in alphabetical order.

http://www.gearhead-efi.com/gm-ecm-pcm-conversion/efi-dictionary.html

 

[Gramps]

Thanks for that!

So the broadcast code is what I’m after for this chip.

 

[smdk2500]

If I have a chance tomorrow I will pull the ecm out of my truck and get the info you are looking for as long as the ecm 95 is the same as a 94.