Won't run past 3500 rpm

[ford38v8]

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Originally Posted by john in illinois

In my opinion .043 jets are too small . I have a flathead 2 carb engine in my roadster. I put an A/F gauge on it and found stock .045 to.046 worked best.
also it is impotant to check float level very carefully. that has a lot rot do with fuel mixture.
Another variable is air filters. restrictive filters can make jetting difficult.

John

John, I missed that. Good call on the jets.