Thank you for your reply

I have a 1987 1227165 ECM with ABWN, with a custom tuned piggyback on it. I rebuilt my 350 into a stout 383. I will provide more info if my question can be answered. I have WINALDL installed and have...

Thanks Dave, Thats the first post i found that brought me to this forum. Now i just have to figure out how to open the bin files on my laptop.

Hi ladies and gents, this is my first post. I joined to learn more about the definitions of my ECM (1227165, ABWN). I have owned my 1987 Camaro since 2007, third owner. I had a perfectly running 350...