Classic Mustangs (Tech) Technical discussions about the Mustangs of yester-year.

Ignition coil

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Old 07-10-2009, 10:31 PM
  #11  
Canary94GT
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So you guys are saying I can't buy a Blaster 2 and hook it straight up the way my stock one is? I have to give it a different power source?
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Old 07-11-2009, 12:34 AM
  #12  
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Which of these coils should I get? Man this is so confusing

I just want to use an MSD 6A and have the rest stock
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Old 07-11-2009, 02:03 AM
  #13  
Starfury
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The Blaster 2 is designed for a 12V feed. The stock wiring only supplies ~8V to keep from burning up points. It's a simple matter of bypassing the stock resistor wire under the dash.
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Old 07-11-2009, 02:47 AM
  #14  
4reboy
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69's don't have resistor wires correct? I had my whole dash apart and never saw one I don't think.

With that said I forget how I hooked up my coil, I believe i just used the stock hookup with my pertronics flamethrower 2 (I think)
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Old 07-11-2009, 02:55 AM
  #15  
Carlos Pineiro
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Coils are kinda like light bulbs in one way: they can burn out in less time than their expected lifetime for no reason, or they can last for many years longer than they are supposed to. It was a sad day in 1997 when the original yellow top factory coil on my 302 died, after working for 28 years.

Sorry, no brand to suggest, just my coil story.

CP
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Old 07-11-2009, 08:08 AM
  #16  
2+2GT
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Like my Grandad used to say, "most fishing lures are designed to catch- fishermen." Coils are like that.

My 289HP still runs on the C5OF-E dual-point distributor and yellow top coil. Not the original, that went bad in the 80's. Since I was stuck, I pulled an original yellow-top off a 200 six on the junkpile. Still works great.

Mickey Thompson had a Thunderbolt, but instead of the normal 427, it had a modified pair of Chrysler Hemi heads. Even though all sorts of exotic ignition was available then (magneto, transistor, etc.), guess what ignition it ran on?

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Old 07-11-2009, 08:11 AM
  #17  
1slow67
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I burned up my yellow top , but I do still have it.
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Old 07-11-2009, 08:27 AM
  #18  
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Originally Posted by 67mustang302
Coils can get burnt up if they don't get good air flow around them. Their just a transformer, exactly like what sits up on a power pole, only smaller. The main product of transformers is heat. Some are more resistant than others, so placement varies from coil to coil. And depending on the efficiency, some produce more heat than others when creating the same voltage.
67mustang302 brings up a very good point. SBF's run "HOT" anyways and there is a lot of heat build up in these engine compartments. With that said, I placed my coil off to the side on the driver side inner fender apron.

http://mustangsandmore.com/memberpages2/jspagna1.html
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Old 07-11-2009, 10:05 AM
  #19  
Canary94GT
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I think I still have an original yellow top O.o

But the whole reason I am asking this question is because the repair manual suggestions the primary resistance (between the two nipples) be 1.40-1.54 ohms and I am getting like 2.75 ohms
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Old 07-15-2009, 03:15 AM
  #20  
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Sorry just trying to clarify, are there any coils: Accel, Mallory, Pertronix, or MSD that will hook up the stock ~8 volt system and work well with my MSD 6A?
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