Okay Man, thanks for your input, I've never seen this before, for the motor to bang/thud on the driver side every 30sec to 1 min. (when warm) is odd,...
I've added those parameters for next time I see the car. I will try to smooth timing, I pulled a part number and they are 08-2013 corvette injectors...
Oh I did not realized you were not the OP! Now I see what you mean. I have no idea why the polling is so slow in yours, I would open a support ticket...