So another cammed LT1 in for a tune and it starts up and sounds glorious. Once I start dialing in the maf (adding since it was very lean) the timing just drops. Car drives great but the negative timing at idle sounds terrible (no cam chop) and the headers will glow and burn everything close if you let them.
On a side note when I check the VE the car is asking to pull fuel. How is this possible? By the maf it's lean and by the map it's rich? By significant amounts none the less. Anyone run into this? The car has been running great, no start up issues, no driving issues.
What other fields control the idle timing? I've tried the VTT tables but I've gone in both directions with no difference.