Yes, vortec heads, TBI, flat top hyper dual vr, rpm air gap intake, bored out tb. It is a dog below 2000 and stumbles like the key is turned off, shows lean off the scale on wb02 then after it...

Looks like this took care of the weird SA glitch! I was hoping this would take the odd stumble out of it but at least now it will be solid data to go on. Thanks everyone for the great help on...

Thanks, I will try this ADX and report the results back as soon as I get back home.

Here is a screenshot from tunerpro dash showing maxed at 50* SA but on the datalog I don't see the SA to match that high?? Tried to upload csv file but wouldnt let me.

This is the ADX and XDF I am currently using. This is a rare glitch from what I can find and since I've replaced PCM and entire ign system, memcal tomorrow, this has to be fixable. Basically will not...

Steveo, the ADX Dave posted is the one I'm using and I have not modified it. I can post it from my computer when I get home. Maybe I could re-download it, possible corrupt file?

I would say this has to be close to the same issue after seeing the 23037 or so SA in your old data log, that's too close to be coincidence. So where do we go from here? You already tried setting the...

I have a 1994 K1500, I built a new vortec head 350 and have been having issues with the tune since the engine swap. I'm using tunerpro rt, Ostrich 2.0 and aldu1. The issue I'm having is the datalog...