Originally Posted by
steveo
sure you can add one, but i wouldn't. there's very little actual benefit to an egr.
are you getting knock in cruising range or power enrichment? it sounds like your power enrichment AFR is too lean to me. if it's knocking in cruise range, you probably just have too much timing advance.
also fyi 3900 counts isn't necessarily a lot of knock, when a knock event happens, it's typical that it increases hundreds or even thousands of counts all at once just for 'a few knocks'.
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