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Backfire then nothing

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Old Apr 2, 2012 | 11:20 PM
  #1  
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Backfire then nothing

So this afternoon I came around a turn, got what sounded like a backfire, and then lost all power and the truck would not start again. Tried again an hour later, and 3 hours later with no success. Was about to bring the truck in before this because had been backfiring and idling rough.

Some details: 1979 f150 with an edelbrock carb and a 460 out of a 76 lincoln.

Any ideas? I'm very new to this truck (thanksgiving) and know next to nothing about fixing it on my own but trying to slowly learn what I can. Truck was rebuilt frame up in 2005 by my grandfather's friend and has 3000 miles on new engine/tranny Thanks
 
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Old Apr 2, 2012 | 11:56 PM
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Originally Posted by SC'79
So this afternoon I came around a turn, got what sounded like a backfire, and then lost all power and the truck would not start again. Tried again an hour later, and 3 hours later with no success. Was about to bring the truck in before this because had been backfiring and idling rough.

Some details: 1979 f150 with an edelbrock carb and a 460 out of a 76 lincoln.

Any ideas? I'm very new to this truck (thanksgiving) and know next to nothing about fixing it on my own but trying to slowly learn what I can. Truck was rebuilt frame up in 2005 by my grandfather's friend and has 3000 miles on new engine/tranny Thanks
Basic check - spark, gas and air.

Air is probably good.
Check for spark.
Check for gas. Mine choked like that on Sunday. Turns out some crap in the tank was preventing fuel from being sucked up by the fuel pump.

Installed a fuel filter tonight, and will pull the tank. Some day...
 
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Old Apr 3, 2012 | 12:01 AM
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I would check the spark first, I use to work at a car dealer, we had a coil that lost some oil thru a small crack, every time you turn it would shut off. But Papabear has you on the right track.
 
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Old Apr 3, 2012 | 09:36 AM
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Kind of sounds like it sheared the dist. gear roll pin.
 
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Old Apr 3, 2012 | 03:06 PM
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^ exactly what I thought, same thing happened to my truck last year. Check your timing.
 
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Old Apr 3, 2012 | 05:06 PM
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IMO Mark a. is right on. Pull the dist. cap up and turn the engine over to see if the rotor button turns. I have had several 351M/400M and 429/460s do this. Once an oil pump locked up. The other times ????
 
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Old Apr 4, 2012 | 03:16 PM
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Turns out the carb choke was stuck. got it loose and she fired right up.
 
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Old Apr 4, 2012 | 03:22 PM
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Good deal!!! I usually don't get that lucky.
 
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Old Apr 4, 2012 | 04:33 PM
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Originally Posted by SC'79
Turns out the carb choke was stuck. got it loose and she fired right up.
Cool! Of the three, I didn't expect it to be air
 
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