I was able to get my truck up and running again, found a u joint, had another driveshaft and a spare yoke. Been driving it, drivability is crap. I have been going back and forth with the tuner. I did my own research and trouble shooting, it seems like the segment swap for the transmission part of the tune didn't carry over. (He copied and pasted my old tune, then made adjustments) I had the notion to try the PCM from my old truck this morning. I'll be damned, it shifts and locks the converter now.
I am going to pay him a visit this week with my findings and see what happens. I didn't get over there today - I was busy with other things and honestly needed to cool off a bit.
This however is the push I needed to buy HP tuners and learn how to do this type of work myself.
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1972 SS 454 Chevelle LS5/M21/12 bolt 3.73 posi
1969 Malibu COPO L72/M20/12 bolt 3.31 posi
1968 Malibu LQ9/4L80E/12 bolt 3.73 posi
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