2002 Ford Ranger FX4 - Project RangeRunner, Part 3
After the first dyno pull, Doug Studdard of BamaChips Custom Tuning reviewed the data. He then illustrated the benefit of a dyno tune over the base tune, by squeezing out an additional 15 hp and 10 lb-ft of torque from the 4.0L V-6. View Related Article
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