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New Edelbrock Elec. Choke 600 Wants To Backfire When Matting The Pedal

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Old 02-15-2004, 09:40 AM
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Car: 84z28
Engine: 305h.o. mild mod's
Transmission: 700r4 shiftkit
New Edelbrock Elec. Choke 600 Wants To Backfire When Matting The Pedal

BRAND NEW 305 H.O. AND NEW EDELBROCK 600 CFM ELECTRIC CHOKE WANTS TO BACKFIRE WHEN YOU MAT THE PEDAL HARD, THIS IS WHEN THE CAR IS IN PARK, YOU CAN BRING THE RPM'S UP TO SPEED SLOWLY AND NO PROBLEM, NOTHING HAS BEEN ADJUSTED ON THIS OUT OF THE BOX CARB EXCEPT THE IDLE SETTING WHICH I PUT AT 600 RPM
Old 02-16-2004, 09:33 AM
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Car: 1985 IROC Z-28
Engine: 355
Transmission: TH-350
Axle/Gears: 3:73
Just guessing, but it sounds like a timing problem. The carb may be too rich, as well.
Old 03-03-2004, 05:42 AM
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Car: 1986 camaro z28
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try adjusting you fuel to air ratio. not to make you sound like an idiot but that is the 2 screws on the front of the carb. I think the left is the fuel and the right is the air or something like that. I don't think it is in the timing bu it might be. I am a rookie at this so don't just take my word. But that is what I would try. Does not cost anything but a little time.
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