Quote:
Originally Posted by FastCougar
PCM flashed and test driven. My hat is off to Tom on really improving the car's manners. The engine is MUCH more responsive on throttle tip in and there is much more power throughout the RPM band. I am however still getting an intermittent stumble when above 6K RPM, which I am attributing to my plug wires. I'm currently running a set of used Manecores. They will be swapped out for stock wires tomorrow night, then another test drive.
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DAtalog these wires first so we can see what effect is tuning and what effect is plug wires please.