Re: Diagnosing a misfire
My edelbrock 1405 ran rich the fuel pump pressure was toohigh I installed regulator. It ran so rich the idle mixture screws had noeffect i could close them and engine still ran. After installing reg. I was able to tune carb changing metering rods.You have a carb that is running rich clean floatbowls install fresh fuel filter and then trytuning carb.Big carbs and big exhaust is meant for full throttle high rpm work
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