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post #1 of 5 (permalink) Old 08-27-2010, 08:26 AM Thread Starter
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I have taken the original plug wires and caps of my 87 and replaced them with MSD wires and caps that I made myself. The wiresw plug into the original coils. I am wondering if I may run into issues as i have heard much talk about resistors.

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post #2 of 5 (permalink) Old 08-27-2010, 09:19 AM
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got a'll get static..use resister plugs and you can solve that problem.

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post #3 of 5 (permalink) Old 08-27-2010, 11:39 AM
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The resistors in the caps and in the plugs are there more for just eliminating RFI (noise int he radio). This site has a pretty good write up on what the resistors do.

Basically the resistors allow the spark duration to be longer. But it also cause the spark to be weaker. A longer spark does a better job of burning any extra fuel, although you may be able to argue that a hotter spark burns the fuel more efficiently. My guess is the resistors in the ignition are probably there for emissions purposes first and RFI reduction second.

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post #4 of 5 (permalink) Old 08-27-2010, 12:11 PM
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Also, I do recall from back in the '60s, before cable TV, folks would complain of spark noise getting into their favorite shows. Nearly everyone had antennas on their roofs back then, with that twin-lead, 300 ohm wire.

I know I used to hate it when crap like that would screw-up the best parts of Star Trek, and the Saturday morning cartoons...

I do all my own stunts...
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post #5 of 5 (permalink) Old 08-27-2010, 02:31 PM Thread Starter
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Well that explains it. I am replaceing the stereo with an MP3 player. There will be an amp powering two speakers in the dash with an external connection for the MP3. I would imagine I can us an isolator to get rid of any noise issues. I remember some old stereos that had that hum when you were on the throttle.

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