Originally Posted by
Six_Shooter
You should have tried the later years on your Auto X-ray. ;) 1227730 was used in the '90 to '93 F-bodies and used $8D. This is also the change over from MAF, that used the the 1227163 ECM, to SD.
The '90 'Vette used $8D but had extra information on the datastream as I understand it to work with the HUD/DIC.
$8D is a 32kb bin, so if you're only saving a 4kb file then you still need to change some settings there while reading to get the proper bin.
Robert has said all the same (and more) than I would have said for the rest of it.
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