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UPDATE Found the LS3 480 has bigger injectors than the LS2 and the flow rate tables needed to be set before any other tuning or driving to be honest.
Just now a year later running better. But I...

Update I was looking at the log attached I noticed the map of 45 or 50 and 2000 rpm in my table is 15 spark advance deg. but my log shows 30 spark advance deg. so now i am trying to find where the...

mine is Cyl air mass and RPM so would not shut off when warm and has some high numbers in it.

24 to 28 air mass at 2000 rpm is 7.9453125 8.71875
9.8203125 11.40625
12.5703125 13.7578125...

Was it the fuel pump ? or maybe fuel table ?

try logging the voltage from the tps throttle position sensor. see if it is smooth or jumpy if jumpy could be bad spot in reostat. do it with engine off.
also check fuel pressure with a gauge...

FYI, I was told the LS3 480 hot cam is noisy too. So last week I disconnected the transmission to eliminate it. Headers are StainlessWorks brand G8 headers. They changed the sound but not the...

Thank you for taking a look. I had the noise before the headers and did the headers because of the noise thought it could be exhaust leek.
I will work on editing the video and post a part of it. I...

Trying to attached tune and log I have.9378293783

I got a new crate motor ls3 480 for a 2009 G8 and took it to a tuner in fort worth and it sounded a bit off with too much engine noise when I got it. Still sounds bad, so I took it to GM dealership...