Hello. I have a 2006 C6 Z06 that has had a hard start when hot issue. The motor is fresh however has had the issue since before I put the motor together. Cold starts and snappy and sound / feel great. Hot starts are weak and make me feel like the car may not crank to run. It struggles to start by taking longer to catch the idle from cranking and struggles to come alove. This is when the car is up to temp and has been sitting (think stopping for a quick bite to eat or going shopping) then coming out to start the car hot and it struggles. I posted my tune and would like some guidance! 11:1 compression 427 LS7 with FIC 60lb injectors with stock fuel system otherwise, ARH 2" headers, custom spec blower cam, AI heads, and stock intake/tb. Was reading that I could need more airflow however I can't find the correct spot to add the airflow based on coolant temp for start up...the table I found is Idle Startup Airflow vs. ERT vs. ECT which I am not sure is right or not.
Video of the issue:
https://www.youtube.com/watch?v=aPS64sqff7s
Original tune file with nothing changed:
https://drive.google.com/open?id=1UU...jpKImOBhgGsCjB
I changed idle and fan settings on this as well as Start up VE to 80 vs the 100 it was
https://drive.google.com/open?id=1nX...1y_0pPrpYlEStm
edit I found out my units were off and I will be adding 3 g/s of airflow at the ECT's that seem to be where the issue is to see if the added air and reduced fuel work well together
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Originally Posted by TCSS07
