The benefits here are plentiful, real world conditions, real aerodynamic drag, you're the one driving in the environment and atmospheric conditions the car will see almost its entire life! The e-tuning process may be a little longer than a few hours on a dyno, but the ending result is the same if not better than dyno tuning. E-tuning is the EXACT same process, taking logs, adjusting based on logs and repeating the process until tune is complete. Dyno tuning is safer, yes, but 90% of the time if a car is tuned on the dyno, the customer/tuner will test the vehicle on the street after the tune to verify everything. A dyno tune is where the car is strapped to a chassis dynamometer (or hub in some cases) and the tuner completes the tuning process in a safe environment where its easy to put load on the engine/or keep it at a steady state to target certain parts of the map! There are a lot of downsides to dyno-tuning as most dyno cells have floor dryer fans pointed at the car to cool it down (very inefficient and doesn't replicate real world, you would need a multi-million dollar wind tunnel for that), the perfectly smooth and balanced rollers also don't mimic real world roads either. What protune is typically misunderstood as, is a DYNO tune. I dont recommend talking to anyone that's a part of a different vehicle platform/community if they were "protuned," you will likely be laughed at. First, a "protune" is a term created by cobb to signify that the tune is created by an authorized Cobb Protuner (someone they have vetted as professional and knowledgeable and trust to calibrate customer cars). A - Oh, I love seeing this question pop up on facebook groups.
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