So at my last two track days I kept getting the coil pack misfire codes, I wasn't too surprised considering they were still the original coil packs on the car. Finally got time to update to the latest coil packs and updated engine harness. Also replaced the plugs while I was there...it was a bear of a job but pleased with the results.
Disassembly:
Old harness and plugs out:
6 year old plugs with 30,000 miles, 20,000 of street use....10,000 of tuned track use...
Back together and running reward...
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2020 GMC Canyon Denali Duramax, 2021 Forester Sport, 2000 Subaru Legacy B4 RSK 5MT (JDM Import) and random 86 chassis rebuilds....