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Post By kevins2
06-26-2015, 01:02 PM
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CC Member/Contributor
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Join Date: Mar 2012
Posts: 445
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Possible Bad Ignition Coil?
I drove my car Wednesday night and everything seemed fine, other than the idle seemed to be a bit high. I don't think that's related though.
Today I went to start the car and I am not getting spark. Can the msd coil go bad just like that, or will there be some other lead up to it? And what coil should I be looking to replace it with (I'm assuming this is just the blaster ss)?
Last edited by itstock; 06-26-2015 at 04:04 PM..
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06-26-2015, 01:09 PM
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CC Member
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Join Date: Feb 2014
Location: White City,
SK
Cobra Make, Engine: West Coast, 460 CID
Posts: 2,850
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Not Ranked
Quote:
Originally Posted by itstock
Can the msd coil go bad just like that, or will there be some other lead up to it? And what coil should I be looking to replace it with (I'm assuming this is just the blaster ss)?
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Yes - there were no warning signs when I put it away last fall. Totally dead when I went to fire it up this spring.
Replaced it with another MSD Blaster 2 I had. Not all coils are MSD compatible - check the chart here: http://www.msdignition.com/instructi...ompability.pdf
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Brian
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06-26-2015, 01:57 PM
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CC Member
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Join Date: Dec 2011
Location: West Chester,
PA
Cobra Make, Engine: ERA #795 427 S/C completed Jan. '14 - '68 FE 427 side oiler
Posts: 1,033
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Not Ranked
Yes, they can go bad in an instant. I had the same thing happen that you described and replaced it with the spare I carry in the trunk. Fired right up. I'm not going to knock MSD, there are already plenty of threads that do that, but carrying a spare is something to consider - easy road-side fix if it happens when you're out.
Kevin
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"Anyone who drives faster than you is a maniac and anyone who drives slower than you is an idiot" - George Carlin
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06-26-2015, 02:40 PM
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CC Member
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Join Date: Apr 2012
Location: Bay Area (Peninsula),
CA
Cobra Make, Engine: ERA 427, 427/487 side-oiler
Posts: 1,248
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Not Ranked
MSD has tons of quality problems. I had a bad coil out of the box. The E-core ones are supposed to be better, both performance and reliability. I replaced the original coil with this one: http://www.summitracing.com/parts/msd-8207/overview/ |
06-26-2015, 02:52 PM
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CC Member
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Join Date: Jul 2010
Location: McMurray,
PA
Cobra Make, Engine: Superformance #522
Posts: 528
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Assuming it is a bad coil, consider mounting off the engine. I went with this one, which has anti vibration mounting.
http://www.summitracing.com/parts/msd-8252/overview/ |
06-26-2015, 05:39 PM
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CC Member
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Join Date: May 2005
Posts: 379
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Before everybody blasts MSD...Did you check to see if the rotor is spinning?
Coil??? Have you checked the box? There are simple tests that you can do...
Last edited by cbreez; 06-26-2015 at 05:42 PM..
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06-26-2015, 08:44 PM
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CC Member
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Join Date: Jan 2009
Location: Las Vegas,
NV
Cobra Make, Engine: Shelby CSX4005LA, Roush 427IR
Posts: 5,457
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Ndever had a coil go bad but had two of the MSD6 boxes blow out. Do the spark test (you can't just ground the coil / spark plug).
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Cheers,
Tony
CSX4005LA
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06-26-2015, 10:10 PM
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CC Member
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Join Date: Feb 2014
Location: White City,
SK
Cobra Make, Engine: West Coast, 460 CID
Posts: 2,850
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Quote:
Originally Posted by cbreez
Before everybody blasts MSD...Did you check to see if the rotor is spinning?
Coil??? Have you checked the box? There are simple tests that you can do...
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I followed MSD's troubleshooting protocol and mine was a failed coil. No spark, and when I replaced the coil it zapped like crazy.
__________________
Brian
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06-27-2015, 01:07 PM
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Join Date: Mar 2012
Posts: 445
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That's all it was. I'm not sure the coil in there was an MSD though, well, it's not. It looks kind of like a blaster SS, only it's black and has no labeling of any kind.
Also, it fired up hard immediately, and it has never fired up like that before. I guess let this be a warning to the other backdrafts of the same manufacturing date/car number (2012/ number 1109).
Last edited by itstock; 06-27-2015 at 01:18 PM..
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06-29-2015, 01:39 PM
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CC Member
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Join Date: May 2014
Location: Tavares,
FL
Cobra Make, Engine: Backdraft #832
Posts: 227
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I contacted MSD about a year ago and was told that the blaster coil on my Backddraft was not manufactured in black. My build number is 832 and the coil is mounted off the engine.
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06-29-2015, 02:42 PM
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Backdraft Racing Dealer
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Join Date: Dec 2004
Location: North Haven,
CT
Cobra Make, Engine: Backdraft Racing
Posts: 5,115
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Second one I heard about this weekend. Glad you got it back up and running.
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06-29-2015, 05:11 PM
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CC Member/Contributor
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Join Date: Mar 2012
Posts: 445
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The "knock off" is a summit racing brand...
http://www.summitracing.com/parts/sum-850500/overview/
Perhaps I just got a bad one? Who knows, but it appears to be the same exact unit as the msd. As said above, I have a spare msd now.
Last edited by itstock; 06-29-2015 at 05:24 PM..
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