87' F-150 302. I just added a 60K pertronics coil to my brass cap & roter, and MDS 8.5 wires. I've been running a .043 side gaped motorcraft copper plug at 18BTDC on 87 octane w/ no sign of ping using the stock coil. Also dbl.plat finewires at .044, w/same btdc & octane did well. any suggestions on plug & gaping to get the most out of the extra zap I just added?
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