Originally Posted by
macca_779
I always laugh at guys that lock their tunes. Frankly what is there to hide. If the customer goes elsewhere it's for a reason. As for intellectual property, please. Over 90% of a tune remains GM spec. We all rip off GM's work which is locked too but are provided the keys to get into it. I've also heard the warranty excuses if another tuner grenades a motor. Again this could happen to a dealership too but that's ok is it.
When it comes down to it if a tune is good the customer won't go elsewhere. Plus any so called secret data in there can easily be logged and generated into a MAP.
My opinion. But only tuners with something to hide lock their work.