Thanks to kur40 for letting us know that there was some activity on this thread over on gearhead-efi. Glad to see the old AVT838's can be put to good use. Conducted multiple reads and writes on a P59 PCM using both an AVT838 and AVT852. No errors to report using either one. The AVT838 seems to run r...

Count me among the folks that are very excited about this project. At the moment, I'm running a Pontiac 455 and a 4L80E using a 12200411 PCM and OS 12212156. The 455 has been fitted with a 24x crank setup on the balancer and a 1x stub-shaft where the HEI once lived. I'm using code from a 2002 2WD va...

Greetings all - been a lurker here for quite some time, finally getting around to posting. I'm primarily a TunerCat user, but recently I've been trying out PCMHammer and some of the related XDFs that have been created - really great work by everyone involved! I've been using an AVT852 along with my ...