Topic: Carb Backfires
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Answers to Common Questions
What causes Backfire with an Edelbrock 4 barrel carb?
I would think the engine is out of time or the spark plug wires are not installed correctly. Carb is too lean, Common problem with Edelbrock. Buy a primary metering spring kit. Dude, I had this exact same problem. 350 engine and the Edel 4b... Read More »
Source: http://wiki.answers.com/Q/What_causes_Backfire_with_an_Edelbrock_...
1983 305 CHEVY Truck carb backfire. how to fix?
Start by setting the timing. Make sure it's right before you waste a lot of time on a non-problem. Next, examine the distributor cap. You shouldn't see any cracks or black "spark traces" anywhere on the inside of the cap. It should be clean... Read More »
Source: http://wiki.answers.com/Q/1983_305_CHEVY_Truck_carb_backfire._how...
What would make your truck backfire through carb?
probably 180 deg out on timing Note: There are comments associated with this question. See the discussion page to add to the conversation. Read More »
Source: http://wiki.answers.com/Q/What_would_make_your_truck_backfire_thr...
More Common Questions
Answers to Other Common Questions
There are several things that can cause this effect. Ignition timing out of set or worn ignition parts being a large factor. Improperly set or worn valve train being another.
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Source: http://wiki.answers.com/Q/What_dose_it_mean_when_backfire_comes_f...
Too much fuel pressure. that typically happens when needle valve (carb pressure control) is blown off the seat.
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Source: http://wiki.answers.com/Q/What_would_make_a_92_jimmy_backfire_thr...
First try cheap route..stale gas?,water in gas? replace gas Next...always let it cool down at low idle for a full two minutes before shutting it off. Next...try carb cleaner in gas tank...be careful.. read instructions on can...most cans of...
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Source: http://wiki.answers.com/Q/Why_does_18hp_briggs_and_stratton_backf...
timing advanced, 180 out, chevy requires delayed vacuum for advance, did you change the vacuum supply location? firing order 18436572 clockwise on distributer, turning distributer counterclock wise advances timing,
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Source: http://wiki.answers.com/Q/Why_dose_my_1978_chevy_truck_backfire_t...
There are several possibilities for this. The usual culprit is that the timing is off. Make sure all your plug wires are correct. 1-8-4-3-6-5-7-2 in a counter clockwise turn.
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Source: http://wiki.answers.com/Q/Why_does_my_1967_lemans_keeps_backfirin...
Yes it would.
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Source: http://wiki.answers.com/Q/What_about_spark_plug_wires_being_cross...
I know you checked and replaced all the vacuum lines, but double check the vacuum line leading from the carb to the distributor. Also, the points could have the wrong gap. The timing could be a little off too, try adjusting the timing. I'm ...
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Source: http://answers.yahoo.com/question/index?qid=20090801171302AAqZ1SC
