Plugs, CDI, Dwell Time Improvments
Been having some issues with fouling lately.
First on the dyno running race gas it would miss at 15 psi sub 11.5 afr, then today I noticed on pump gas that it was missing bad around town at 12-13 afr's but, not boost(sometimes it's hard to tell unless you see it on the dyno). I leaned the round town afr a tick to clean them up but , can't figure why the are fouling in that range. Anyway I have fresh NGK 9's all around. FC 1000 CDI Dwell Time at 4.1ms No AI system yet. Think changing the dwell to say 4.5 would help, I don't want to fry the coils though with the CDI added? Maybe try some platinum NGK's? I also wonder if my dip in power post 7,000rpm is related to the dwell time/ignition or just because it is a stock port. |
Race gas as in LEADED gas?
-Ted |
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