ok guys, i just got my gsr back from the machine shop, full rebuild, its an odb1 engine, i'm using the stock dx harness, car is from canada, i converted the iacv 3wire to 2,(thAnks KATMAN ff squad!) lengthened all my wires fired car up and the car revs right to 4000rpm stays there for about 8 seconds then starts to idle surge consistently from about 800rpm up to 3000rpm, only codes i'm kickin are 8 and 41, i'm running odb1 p72 converstion harnss all my vacuum lines are good and correct iacv has coolant and will kick the code if i unplug it, then it idles much lower but still spikes, i've tried everything i can think of, i need input from anyone willing to give ideas, i've got 2 other gsr cars and do lots of swaps guys so don't worry about getting technical on me, i just need input, today i'm going to take off the gsr intake and put a skunk2 on it and replace the gaskets again just grasping at straws!!!!!! thanks in advance for any help offered.

 

does anyone know or have any incite......help.

 

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bump for santa