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Fluttering popping and cracking
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DRR Elite
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that makes 4 now that state it could be the converter. clapping
 
Posts: 13522 | Location: NJ | Registered: August 20, 2000Reply With QuoteReport This Post
DRR Sportsman
Picture of Corky
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When the OP stated changing out all of the MSD w/ exception of the distributor......is that cap and rotor/ wires/ plugs?
Was the box replaced? If it's a red 7al3...that'd be my first suspect part. Have had 2 go bad in past years.


Corky
 
Posts: 338 | Location: Waynesville, Ohio | Registered: August 17, 2005Reply With QuoteReport This Post
DRR Pro
Picture of Footloose
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Borrow a msd 6 non digital and it is done Smile Corky knows Wink
 
Posts: 1922 | Location: in a van down buy the river | Registered: September 07, 2002Reply With QuoteReport This Post
DRR Elite
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quote:
Originally posted by diceman1530:
Rotor phasing?


Is this a crank trigger? I didn't see if the phasing had been checked if so.


Foxtrot Juliet Bravo
 
Posts: 6468 | Location: Illinois | Registered: July 08, 2004Reply With QuoteReport This Post
DRR Trophy
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It is crank trigger and all that has been swapped out to, even rewired from box to the eye. What I don’t really understand is the 1st I make that day it’s fine then it starts the next pass and continues on each pass. Like it’s got to get heat soaked to do it
 
Posts: 81 | Location: nc | Registered: February 20, 2014Reply With QuoteReport This Post
DRR Trophy
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Check distributor cap button
 
Posts: 30 | Location: Nebraska | Registered: August 26, 2012Reply With QuoteReport This Post
DRR Elite
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quote:
Originally posted by jimmyc:
It is crank trigger and all that has been swapped out to, even rewired from box to the eye. What I don’t really understand is the 1st I make that day it’s fine then it starts the next pass and continues on each pass. Like it’s got to get heat soaked to do it


Then the rotor phase was checked? couple ways to do it easily.


Foxtrot Juliet Bravo
 
Posts: 6468 | Location: Illinois | Registered: July 08, 2004Reply With QuoteReport This Post



DRR Trophy
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Yes been checked
 
Posts: 81 | Location: nc | Registered: February 20, 2014Reply With QuoteReport This Post
DRR Elite
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I'm Back converter
 
Posts: 13522 | Location: NJ | Registered: August 20, 2000Reply With QuoteReport This Post
DRR Trophy
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So change the trans and conv. Idk who who told you that you couldnt break there converter, all of them can break.

Shane Carr


"Sugar Shane"
 
Posts: 119 | Location: No clue | Registered: March 01, 2009Reply With QuoteReport This Post
DRR Pro
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I agree when Shane said “With no data, man you can throw a lot of parts and money at this and may never find it”.

Even a Grid 7730 will show one the triggering In / Out pulses and rpm graphs to help decide if it’s ignition related.

If you replaced all the ignition components and related ignition wiring, it’s not ignition imho.
 
Posts: 2722 | Location: 53056 | Registered: December 30, 2009Reply With QuoteReport This Post
DRR Elite
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quote:
Originally posted by Sugar Shane:
So change the trans and conv. Idk who who told you that you couldnt break there converter, all of them can break.

Shane Carr


I think it was meant as humor. Maybe?


Foxtrot Juliet Bravo
 
Posts: 6468 | Location: Illinois | Registered: July 08, 2004Reply With QuoteReport This Post
DRR S/Pro
Picture of SCDIV1
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Change the axles too they can cause the engine to flutter, pop and crackle or maybe it's snap crackle and pop.....I forgit...

Just throwin a little humor in the mix....
 
Posts: 2735 | Location: Where ever I am, I'm here and it's me | Registered: March 15, 2007Reply With QuoteReport This Post
DRR Pro
Picture of Roger McGinnis
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Before I changed the convertor, I would check the elasticity of the throttle cable and make sure you not getting the Ed effect (Yo-Yo). You're Nuts



ΜΟΛΩΝ ΛΑΒΕ
 
Posts: 562 | Location: Republic of Texas | Registered: January 16, 2011Reply With QuoteReport This Post



DRR Trophy
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Just curious what year this “rail” was built and maybe how old the wiring is?


"Sugar Shane"
 
Posts: 119 | Location: No clue | Registered: March 01, 2009Reply With QuoteReport This Post
DRR Trophy
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It’s a 02 Racetech that was converted to a swing arm car in 12. I don’t think the wiring was touched though
 
Posts: 81 | Location: nc | Registered: February 20, 2014Reply With QuoteReport This Post
DRR Trophy
Picture of wvdragracer
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I have to agree with Ed on this, I have had this happen & it WAS a converter each time years ago, the popping /cracking occurred & I did the same, Changed MSD, Carb, etc; all the above looking for a miss in the engine. After eliminating all that, we changed converter and it was fixed. Years later a friend was having this issue & doing the same ignition changes etc. I told him it appeared to be converter & sure enough, that fixed it. If the converter is broke & loads the engine and doesn't let it come up in rpms, it wont be happy. Its strange but can lead you to looking in the wrong areas to correct the problem. I even witnessed this issue in a mud bogger, & you would think the spinning in the mud would not show the symptoms but it was the same.
 
Posts: 19 | Location: Mannington WV | Registered: October 19, 2008Reply With QuoteReport This Post
DRR Elite
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that makes 5 now that state it could be the converter. clapping

Now who said...

"Fluttering, popping and missing is NOT the converter."

Loser clueless curly1
 
Posts: 13522 | Location: NJ | Registered: August 20, 2000Reply With QuoteReport This Post
DRR Trophy
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OK I’m going to change the converter and test it Friday night. I’ll report back and let y’all know if it fixed it. Been wanting to try my spare anyway so nows the time.
 
Posts: 81 | Location: nc | Registered: February 20, 2014Reply With QuoteReport This Post
DRR Elite
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being that you have installed new, replaced or checked everything else, you've got nothing to lose.
 
Posts: 13522 | Location: NJ | Registered: August 20, 2000Reply With QuoteReport This Post
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