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bump. Same issue

Ended up getting an 08 express van TCM and had my buddy adjust my gear ratio/tire size. VSS is on point and I show no DTCs.

The problem now is it shifts great 1-3 but I have no OD. My buddy...

Howdy

First time poster here. Ill preface by saying Im not a tuner. I do my due diligence and research before asking questions however.

Ive recently swapped an 07 L92 (no dod/afm) into my 86...

I'm in for an update as well. Having the same issue.