Idle Surge/Idle Hang - SD tune

[Tcnova]

Hi all, been dickin with this since last summer. Not like full time, Just been dealing with the issue and then I get fed up and start dickin with it again. First, I have the idle hang. You can see it in the log file at the beginning around 25 seconds in. I did a couple of tutorials on trying to fix that idle hang but no matter what I do to the timing it doesnt seem to have an effect on the idle hanging. Note: In order to get the engine to start and NOT die, I had to adjust the throttle plate open slightly (DBC configuration) to get the engine to start.

Second issue, idle surging. When coming to a stop the idle drops, the program compensates and the idle goes way back up, hangs, then drops again. Kinda inconvenient. Is this related to the idle hang? Too much air?

IF theres anything else you see here, lmk.

Important info - No Maf, IAT wired in (I thinks its in a bad location), 370lsx, 10.8:1SCR, .585/.585 228/232 112 (Otherwise known as Sloppy Stage 2) cam, Premium, Holley hi Rise intake.
Really thought I knew what I was doing here, but apparently not.

MM run long2.hplMMtuna1 Test Tune 2.hpt

[Tcnova]

Im largely considering swapping over to a FiTECH ultimate LS kit.