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 TPI in it until last Aug. and pulled it to build it into a 383. The TPI has been replaced with a TPIS mini ram,, and then went a little wild from there. So, I just started to data log so the fella i have program the chip can look it over. I just want to learn what all the numbers mean. So, I will be hitting the forums and reading. Thanks, Clay