did a search already. nothing came up. does anyone run a msd with a pfc. if so do i have to change any parameters on the pfc. thanks in advane. kevin

 

No, but some have suggested checking you a/f because it might be possible to run a little leaner with the added spark.

STEPHEN

 

Ooh, ooh, this brings up a good question I've never seen answered before, just debated a lot.

How does a stronger spark make you leaner? There's still the same amount of air an fuel as there was before, obviously. If anything, I'd have thought that the added spark would give you more complete combustion of the mixture.

So, where before you might have had a bit of unignited mixture flowing out (which would make you read as being lean, since there's oxygen in it, yes?), you now have a complete burn (with less "unburnt air", so you'd read as being richer).

What is it about this that I'm missing or interpreting incorrectly?