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Sorry the scanner was only logging IAC desired position and reading 0 at warm idle. I will have to add the channel in to see actual IAC step

I will have to record a datalog and upload. The throttle body is a FAST 92mm. IAC hot idle says 0 on vcm scanner. Its not the idle thats the issue..idle is fine hot or cold. its just the initial fire...

Hey guys i have tried to change a heap of settings to stop the motor from revving so high on initial startup. So when i start the ls1 up it instantly hits about 2000rpm then drops back down to about...

Hey guys, first time hp tuner here and first time LS1 engine swapper. What i have got is an old 90 suburban 4x4 and have swapped in a Stock LS1 with a 4l80e. The engine just has some bolt on parts...