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1994.5 - 1997 7.3L Power Stroke Diesel  

exhaust back fire??

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Old Sep 30, 2010 | 03:16 PM
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exhaust back fire??

never done this before, never ran weird prier but i smoked my buddy out 2 times, not hi reving but 2 quick stabs at the pedal and POP, like a small nitrous back fire? what the hell! isnt valve float at high rpm? truck doesn't see past 3200 95% of the time.deffinetly not push rods either, runs like a top and hasn't done it since!
 
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Old Sep 30, 2010 | 03:52 PM
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Raw fuel in the charger ignited maybe? That would be my guess. Would be similar to a nitrous pop i would think.
 
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Old Sep 30, 2010 | 04:01 PM
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OT, you need to update your garage...
 
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Old Sep 30, 2010 | 04:57 PM
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Whenever you run anything hard you risk something.
Coulda bent a pushrod.

Instant fuel means instant strain.
Somethings gotta give. =)
 
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Old Sep 30, 2010 | 07:31 PM
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bent pushrod would keep running weird and popping. It popped once and ran just fine, still running just fine now. Serious doubt on messed up pushrod.
 
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Old Sep 30, 2010 | 08:49 PM
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Was the weird "POP" noise rob opening a beer????
 
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Old Sep 30, 2010 | 08:51 PM
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^^^^ I imagine that is pretty likely.. lol
 
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Old Oct 1, 2010 | 12:24 AM
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haha no, it was deffinetly distinct! im thinking access fuel igniting in the turbo some how... im trying to stay positive lol
 
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Old Oct 1, 2010 | 12:28 PM
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Once when my truck was having no start issues I was far beyond the frustated point. Instead of taking a break and cooling off I got out the starter fluid like a jacka$$. Tried to crank it and POP. A few seconds later s guy was like, "Dude, your truck's on fire". I ran around and looked. The backfire had caught the oil in the intake boot. I got it out before it even meltedthe rubber but scared the pee outta me that's for sure.
 
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Old Oct 1, 2010 | 12:57 PM
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Excess, not access.
 
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Old Oct 1, 2010 | 02:36 PM
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send a bill

yeah i put plenty of miles on her in the past couple days and its nothing out of the ordinary. deff not valve float, unlike a certain souther member of ours sure he will be on to defend his truck hahah
 
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Old Oct 1, 2010 | 02:38 PM
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I got it. It was like a NOS pop bc it was one lol
 
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Old Oct 1, 2010 | 02:58 PM
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haha nah, i wish! but my truck will never see nos lol
 
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Old Oct 1, 2010 | 07:03 PM
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Shut up steve... I'm going to put those 910's on my truck if you don't watch it.
 
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Old Oct 1, 2010 | 08:17 PM
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LOL! get outa here, you know you want the beehives any way! i call dibs
 
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