Quoting: HardRockCamaro
6 degrees before top dead centre.
Make sure you set it with the ecu ignition advance wire unplugged.
iirc it's the brown one up in the loom at the back on the passenger side...
cheers Andy id did disconnect the advance wire, do you need to bypass the ecu ie short terminals A/B on the ecu block as well?
and should it be in park or drive
its a lot better than it was coz it was way off
edit
found the sticker
cant do it in drive though surely coz i might run myself over
that must mean something else Ryan