Yes, Johan has been my tuner from the beginning, and we attempted to address this concern multiple times last year. I replaced O2 sensors, changed cam and heads and intake, and we restarted this year from scratch. We are on our second revision of this years tune, and the problem is arising again. i ...

Hey guys, i have an issue we've been fighting for a while with limited and unpredictable success. Have searched the internet high and low with no luck.
2005 Dodge magnum 5.7-based stroker motor. When loading a new tune on, everything is hunky-dory for a week or two, but as the adaptives begin to ...