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Discussion Starter #1
I'm wondering if this little black box under the dash is causing an overheating coil and misfire. If anyone has one they'd like to sell please contact me.
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That box only controls the timing of the trigger pulse. The ignition module that is mounted near the coil is a more likely suspect or the coil itself.
 

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Discussion Starter #3
Yes, but I believe it also controls dwell time to the coil. Excessive dwell could overheat the coil? Also, using a timing light I've noticed very erratic unstable movement of the mark. I know the distributor is good, had it rebuilt.
 

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Discussion Starter #4
Still looking for this little black box. I replaced the coil and spark module below it, and ignition wires. Runs much better, but timing fluctuates at steady throttle.
 
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