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04-02-2015, 05:55 PM | #1 |
Senior Member
Join Date: May 2010
Location: Clinton,WA/Whidbey Island
Posts: 4,106
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Cause:Extreme Backfire with Flames
What is cause(s) for extreme Backfire thru carb with flames out carb-retimed,checked distributor for shorts. Any other ideas./ Fellow members car with new engine.Stuck Valve(s)? Been driven for a while should have stated earlier
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www.whidbeymodelaclub.com Last edited by Gary WA; 04-02-2015 at 06:24 PM. |
04-02-2015, 06:16 PM | #2 |
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Join Date: May 2010
Location: Bucks County, PA
Posts: 11,454
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Re: Cause:Extreme Backfire with Flames
could also be adjusted to tight
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04-02-2015, 06:24 PM | #3 |
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Join Date: May 2014
Location: Santa Barbara, Ca
Posts: 329
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Re: Cause:Extreme Backfire with Flames
Ditto Mitch.
Also. too lean or timing ( I know you double checked) cam too far advanced when installed with crank gear? |
04-02-2015, 06:26 PM | #4 |
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Join Date: Sep 2014
Location: oroville calif
Posts: 893
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Re: Cause:Extreme Backfire with Flames
sticking intake valve, weak or broken valve spring, run a compression check
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04-02-2015, 09:19 PM | #5 |
Senior Member
Join Date: Jul 2012
Location: California
Posts: 1,698
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Re: Cause:Extreme Backfire with Flames
Timing 180 degrees out?
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04-03-2015, 09:17 AM | #6 |
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Re: Cause:Extreme Backfire with Flames
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04-05-2015, 10:20 AM | #7 |
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Join Date: Feb 2015
Location: Ostallgäu, Bavaria, Germany
Posts: 54
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Re: Cause:Extreme Backfire with Flames
Just lost a nut of a cable at the ignition coil, was the same symptom before
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