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I have a head package that has raised my compression to 11.15:1 from the stock Focus 9.6:1. I was looking around on websites for people who had asked the same question, and this is something that I found.
"Those with modified engines must remember that a modified engine with higher compression or forced induction will typically require a smaller gap settings (to ensure ignitability in these denser air/fuel mixtures). As a rule, the more power you are making, the smaller the gap you will need."
So with the stock gap being .050, what do you think I should take the gap down to?
"Those with modified engines must remember that a modified engine with higher compression or forced induction will typically require a smaller gap settings (to ensure ignitability in these denser air/fuel mixtures). As a rule, the more power you are making, the smaller the gap you will need."
So with the stock gap being .050, what do you think I should take the gap down to?