silly question, but is it tuned yet? this could be the root of your problems. you can't just drop in a 12:1 on a stock ecu or basemap and everything be a-ok.
colder plugs
tune
done
silly question, but is it tuned yet? this could be the root of your problems. you can't just drop in a 12:1 on a stock ecu or basemap and everything be a-ok.
colder plugs
tune
done
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