Quote:
Originally Posted by 911st
Again, do you think the 67 deg advance could be a test of the knock sensor. If that dose not trigger it nothing will.
Further, it could be that if this dose not get triggered, it might enable a limp home mode to protect the motor.
I recall reading that the Porsche cars of that area took a set depending on the fuel quality used. It took several tanks to good fuel to take a new set unless you did something like disconnect the battery.
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I doubt it, I simply think I may be looking at a wrong map in the chip. I really need to dig into the 993 chip to be certain. For now please do not trust those 993 ign maps. I trust the graphs on Steve's site much more.