Gerrot Jacobson Tags: Fuel, Ratio, Tuning Education -

I recently did a few tests on a 2013 Challenger and found some great results by stepping away from what I knew worked last time. I did my typical .84 Lambda for the first pull and it was very happy with fueling, but I did not stop right there. I tested runs at .82, .80, .78 and .76. Lambda.
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