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Old 03-27-2011, 11:10 AM
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engine miss firing

im running a Chevy 385 fast burn engine , starts good runs good but if you hit it to the floor it will break up ,let off and hit it again and it will go,

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Old 03-27-2011, 11:42 AM
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Okay how about some specs:?

Carb
Jetting
Dist & how it's timmed
Intake & exhaust
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Old 03-27-2011, 12:30 PM
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Ayuh,... Sounds like it's goin' Lean,...

Richen the acceleration circuit...
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Old 03-27-2011, 12:57 PM
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Yep...Bondo, I agree. Sounds like running out of fuel. My first thought was a flat cam til you said it comes back...letting up on the throttle lets the carb refill. Low float, weak pump, collapsed fuel line, tank screen plugged, plugged filter.
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Old 03-27-2011, 01:22 PM
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Sounds like a weak/bad ignition coil or a fault with the ignition system like a tach wire shorting out. Good Luck.
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Old 03-27-2011, 03:00 PM
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engine miss firing

the engine has a holley 780 on it can you tell me how high the fuel should be in the glasses
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