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Author Topic: AFR from Dyno....Opinions?  (Read 193 times)

Offline 65fast

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AFR from Dyno....Opinions?
« on: November, 10, 2009, 05:46:42 PM »
This is my AFR for my 302 running a edelbrock 600 carb on about 9.0:1.  Haven't noticed any knocking in the higher RPM's and plugs are good.   

Should I richen it up some up top? I would love to get rid the fuel dump around 3k too.

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Offline joesgt281

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Re: AFR from Dyno....Opinions?
« Reply #1 on: November, 10, 2009, 09:31:29 PM »
You might be able to go richer and dial in more timing if you'd like.
But if your car is naturally aspirated and not pinging, I wouldn't worry too much about the upper rpm AFR.
Not an expert here but is your 3000 rpm fuel dump possibly a power valve problem or incorrect spec?
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