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post #1 of 6 Old 05-10-2016, 10:09 PM Thread Starter
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Question about coil

Ok I'll make this brief. I have a 90 coupe, exhaust, small cam. Basically I was having a misfire 3500/4000 ish rpm. Off the top of my head I decided to change out my Accel coil with a stock one that was on the car. It took care of the misfire. However it may just be me but the car does seem a tad bit slower. Will a better coil add any performance on an otherwise stock ignition system. And also are Accel coils known to go bad this one was less than a year old.

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post #2 of 6 Old 05-11-2016, 12:00 AM
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no

and I'm pretty sure there wa nothing wrong with your coil

if you think there was, test it

wouldn't testing it make more sense?


89 GT gr-40, KB2200(10psi), tweecer R/T,LC-1, 22gal cell, w/tailpipes.
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post #3 of 6 Old 05-11-2016, 04:14 PM Thread Starter
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Honestly I didn't know you could test them or even the procedure. I just tried it because it was right there.

If it wasn't the coil I dunno what it could have been that the only thing I changed. I will however look up the test procedure and do it that way.

The car has fairly new plugs "auto lite" and bluestreak wires that are less than a year old.
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post #4 of 6 Old 05-12-2016, 04:05 PM Thread Starter
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Well I tested the coil for resistance today and it was good. So maybe the misfire is still there it's just barely noticeable with the stock coil. Unfortunately it'll be a little while before I find out. My fan clutch went bad and I'm gonna just wait and go electric so I won't be driving the car until then.
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post #5 of 6 Old 05-16-2016, 11:49 AM
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Maybe, and I'm just spitballin' here, but the extra power from the Accel coil is causing a spark to be shorting somewhere. I remember when I went to MSD's new wires and I had a miss, I opened the hood in the dark and watched the lightening show. The spark was literally jumping from the middle of the wire to a nearby bracket.
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post #6 of 6 Old 05-17-2016, 10:58 PM Thread Starter
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I havnt looked at it at night but once I get the electric fans I talked I'll reinstall it and check at night and see if I noise anything.
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