I've building this car for some time, it's mostly stock other than long tubes, ported TB and CAI.
The tune I have is also mostly stock, other than things like delete rear 02s for headers, I'm getting some backfiring and was looking for guidance of any adjustments I should look to make?
I also noticed some Misfires on 3 and 8? I'm a newb to tuning but can navigate around HPT.
I've also never driven this except for in the driveway.
[normal start run.hpl 2002_Vette_modded.hpt