Not totally sure about much LOL. Just the laptop running TunerproRT 5. Using the files I posted in the first post. I've not used a scan tool on this thing ever. How does that differ from seeing...

Update:

As of yesterday, the car is running much much better. Thank you Steveo for the suggestion on the injector offset values. I never would have thought I had bad info. I used the offsets...

I thought a little more about the injector offsets like you said. When I put the info I got from FIC into the tune, the offsets were a LOT less than the stock (in both tables). Then I'm reading in...

I'll go back and double check, but I know I didn't change the way the sensors were wired. If they had 2 or 3 wires straight to the ECM, one of them presumably a sensor ground, then that's how I kept...

Hello fellow gearheads,
I’m having several issues with my LT1 powered ride. I’ve got a wicked surge during warm up, and also a really weird rich / lean swing at operating temp. Hoping I can lean...