Originally Posted by Bawana
(Post 4211231)
What afr did you considering fat in blown applications? I think fat as in the 10s as IMO I like 11.7 :1 or a little south of that @ WOT.
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I can say this. I've played with my carbs and jetting the past couple summers. My boat went slower when I had an AFR of 12ish at wot while tuning. The fastest its went, is with a wot AFR of 11.2 at 5600RPM. The more fuel I gave it, the more the engine seemed to like it. My cruise at 4000, is around 11.8. Put around 400 miles on the boat with that setup this summer, and my transom is clean. Never had to clean any black soot or anything from it. I am happy with that. :bigbird:
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Originally Posted by MILD THUNDER
(Post 4211268)
I can say this. I've played with my carbs and jetting the past couple summers. My boat went slower when I had an AFR of 12ish at wot while tuning. The fastest its went, is with a wot AFR of 11.2 at 5600RPM. The more fuel I gave it, the more the engine seemed to like it. My cruise at 4000, is around 11.8. Put around 400 miles on the boat with that setup this summer, and my transom is clean. Never had to clean any black soot or anything from it. I am happy with that. :bigbird:
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236/245 114 lsa
Fat chicks need love too! |
Yes they do!
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