Ha, seams I bragged to much, IAC stepper stuffed it.
It was working yesterday morning for sure. Today it needed throttle to start and barely idling at 550rpm
But that's manageable (just needed to turn the biss screw out a bit) and I can fix it on my own time.
Could be the motor itself (it was in ruff shape, almost a bit melted) or the prototype ECU, I'm using a megasqurt module and my own interface board. That interface board has had a lot of revisions sins installing it. Probably time to make a new one.
Anyway, picked up some 2" exhaust tubing to weld in a J (resonance) pipe to hopefully save my hearing.
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