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car is missing, saw sparks comming from the coil

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Old May 10, 2005 | 07:43 AM
  #1  
dj haf's Avatar
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From: Miami, Florida
Car: 1990 IROC-Z
Engine: 350 L98
Transmission: 700R4
car is missing, saw sparks comming from the coil

last night i started my car, and everything was fine till i got her going. then i started to notice she'd start bogging whenever i would try to give her part throttle. when i'd step on her, she'd move, but it sounded like she was missing pretty bad. got home with the car on and i could see a spark comming out of the coil. it was comming out of the boot and hitting the metal frame that goes around the coil. what could cause this, and what do i need to do to fix it? get a new coil? the damn coil is like 3 months old lol. it's an msd blaster coil connected to an msd 6al box. thanks in advanced everyone
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Old May 10, 2005 | 07:46 AM
  #2  
Nixon1's Avatar
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From: Palm Bay, Florida, USA
Car: 95 E-150 & 07 Kawasaki ZX-6R
Engine: A slow one & a fast one
Transmission: A bad one & a good one
Axle/Gears: A weak one & a chained one
Sounds like a bad coil plugwire to me
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Old May 10, 2005 | 10:40 AM
  #3  
dj haf's Avatar
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From: Miami, Florida
Car: 1990 IROC-Z
Engine: 350 L98
Transmission: 700R4
i thought so too. so i reversed the plug wire to see if it would start doing that on the dist instead of on the coil, but it still sparks right on the coil.
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Old May 10, 2005 | 10:55 AM
  #4  
Nixon1's Avatar
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From: Palm Bay, Florida, USA
Car: 95 E-150 & 07 Kawasaki ZX-6R
Engine: A slow one & a fast one
Transmission: A bad one & a good one
Axle/Gears: A weak one & a chained one
Check the coil and see if the tower or anywhere on it is cracked or broken...

If you have a spare stock one laying around or something it'd be worth a shot to swap it over and see what happens.

I never throw away old parts for a reason....you never know!
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Old May 10, 2005 | 11:07 AM
  #5  
Token's Avatar
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Joined: May 2003
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From: Toledo, OH
Car: 1992 Firebird
Engine: forged 357
Transmission: 700r4, 2200-2400 stall, vette servo
Axle/Gears: stock pegleg 2.73 drum (temp)
good thing you can pick up a MSD blaster coil for $38 on Summit Racing
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Old May 10, 2005 | 12:57 PM
  #6  
dj haf's Avatar
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From: Miami, Florida
Car: 1990 IROC-Z
Engine: 350 L98
Transmission: 700R4
yeah... i had the stock one somewhere here but i can't seem to find it. i'm going to go get a new coil and see if that works. if it does, then i'll send this one back to msd, get a new one, and keep it somewhere i can find it later incase this coil goes too. i dunno how it would have cracked though... car never overheated, never dropped the thing, and never d*cked with it unless i was taking it out to change an intake gasket. weird.
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Old May 10, 2005 | 12:57 PM
  #7  
dj haf's Avatar
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Joined: Aug 2003
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From: Miami, Florida
Car: 1990 IROC-Z
Engine: 350 L98
Transmission: 700R4
oh btw the guy at msd told me over the phone to use that dielectric grease and everything will work fine. i doubt it will but i'll try it anyway. anyone got something to say about that?

Last edited by dj haf; May 10, 2005 at 03:55 PM.
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Old May 10, 2005 | 01:22 PM
  #8  
Nixon1's Avatar
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Joined: Jul 2001
Posts: 3,931
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From: Palm Bay, Florida, USA
Car: 95 E-150 & 07 Kawasaki ZX-6R
Engine: A slow one & a fast one
Transmission: A bad one & a good one
Axle/Gears: A weak one & a chained one
Well dielectric grease will insulate it and might keep it from jumping spark everywhere.....but it doesn't solve the core problem that something is wrong.
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